diff --git a/LibrosPy/servicios/instance/uploads/Sunset_Park_-_Paul_Auster_12.epub b/LibrosPy/servicios/instance/uploads/Sunset_Park_-_Paul_Auster_12.epub
new file mode 100644
index 0000000..dcb4e04
Binary files /dev/null and b/LibrosPy/servicios/instance/uploads/Sunset_Park_-_Paul_Auster_12.epub differ
diff --git a/LibrosPy/servicios/instance/uploads/sunsetpark.jpeg b/LibrosPy/servicios/instance/uploads/sunsetpark.jpeg
new file mode 100644
index 0000000..0f249cd
Binary files /dev/null and b/LibrosPy/servicios/instance/uploads/sunsetpark.jpeg differ
diff --git a/LibrosPy/servicios/libros/models.py b/LibrosPy/servicios/libros/models.py
index 0d21eb9..37834f8 100644
--- a/LibrosPy/servicios/libros/models.py
+++ b/LibrosPy/servicios/libros/models.py
@@ -22,9 +22,10 @@ class Autores(db.Model):
 
 class Libros(db.Model):
     id = db.Column(db.Integer, primary_key=True)
-    fecha = db.Column(db.Date, nullable=False)
+    anno = db.Column(db.String(4), nullable=False)
     titulo = db.Column(db.String(100), nullable=False)
     portada = db.Column(db.String(100), nullable=True)
+    epub = db.Column(db.String(100), nullable=True)
     autor_id = db.Column(db.Integer, db.ForeignKey('autores.id'), nullable=False)
 
 
diff --git a/LibrosPy/servicios/libros/paginas.py b/LibrosPy/servicios/libros/paginas.py
index 11638b4..ab08ff1 100644
--- a/LibrosPy/servicios/libros/paginas.py
+++ b/LibrosPy/servicios/libros/paginas.py
@@ -54,12 +54,9 @@ def libro(libro_id):
 @login_required
 def add_libro():
     if request.method == 'POST':
-        fecha = datetime.date.fromisoformat(request.form['fecha'])
+        anno = request.form['anno']
         autor_id = request.form['autor_id']
         titulo = request.form['titulo']
-            
-        if 'portada' not in request.files:
-            return "Falta el fichero de imagen", 400
         
         portada = request.files['portada']
 
@@ -73,8 +70,21 @@ def add_libro():
             portada.save(os.path.join(current_app.config['UPLOAD_FOLDER'], image_filename))
         else:
             image_filename = None
+        
+        epub = request.files['epub']
+
+        # Verificar que se ha seleccionado un archivo
+
+        if epub.filename == '':
+            return "No selected file", 400
+        
+        if epub:
+            epub_filename = secure_filename(epub.filename)
+            epub.save(os.path.join(current_app.config['UPLOAD_FOLDER'], epub_filename))
+        else:
+            epub_filename = None
 
-        new_libro = Libros(fecha=fecha, autor_id=autor_id, titulo=titulo, portada=image_filename)
+        new_libro = Libros(anno=anno, autor_id=autor_id, titulo=titulo, portada=image_filename, epub=epub_filename)
         db.session.add(new_libro)
         db.session.commit()
         
@@ -82,8 +92,11 @@ def add_libro():
     
     autores = Autores.query.all()
 
+    if autores:
+        return render_template('add_libro.html', autores=autores)
+    else:
+        return render_template('nohayautores.html')
 
-    return render_template('add_libro.html', autores=autores)
 
 @bp.route('/edit_libro/<int:libro_id>', methods=['GET', 'POST'])
 @login_required
@@ -91,9 +104,8 @@ def edit_libro(libro_id):
     libro = Libros.query.get_or_404(libro_id)
     autores = Autores.query.all()
     if request.method == 'POST':
-        libro.fecha = request.form['fecha']
+        libro.anno = request.form['anno']
         libro.autor_id = request.form['autor_id']
-
         libro.titulo = request.form['titulo']
         
         if 'portada' in request.files:
@@ -103,7 +115,15 @@ def edit_libro(libro_id):
    
                 portada.save(os.path.join(current_app.config['UPLOAD_FOLDER'], image_filename))
                 libro.portada = image_filename
-        
+
+        if 'epub' in request.files:
+            epub = request.files['epub']
+            if epub.filename != '':
+                epub_filename = secure_filename(epub.filename)
+   
+                epub.save(os.path.join(current_app.config['UPLOAD_FOLDER'], epub_filename))
+                libro.portada = epub_filename
+
         db.session.commit()
         return redirect(url_for('paginas.libro', libro_id=libro.id))
     
diff --git a/LibrosPy/servicios/libros/templates/add_libro.html b/LibrosPy/servicios/libros/templates/add_libro.html
index eab265e..eb1d9ad 100644
--- a/LibrosPy/servicios/libros/templates/add_libro.html
+++ b/LibrosPy/servicios/libros/templates/add_libro.html
@@ -4,10 +4,10 @@
 <div class="column is-4 is-offset-4">
     <h3>Añadir nuevo libro</h3>
     <div class="box">
-        <form method="POST" action="/add_libro"> 
+        <form method="POST"  enctype="multipart/form-data" action="/add_libro"> 
             <div class="text mb-3">
-                <label for="fecha">Fecha:</label>
-                <input class="form-control" type="date" id="fecha" name="fecha" required>
+                <label for="anno">Año:</label>
+                <input class="form-control" type="number" id="anno" name="anno" required>
             </div>
 
             <div class="text mb-3">
@@ -20,10 +20,20 @@
             </div>
 
             <div class="text mb-3">
-                <label for="kms">Título:</label>
+                <label for="titulo">Título:</label>
                 <input class="form-control" type="text" id="titulo" name="titulo" required>
             </div>
 
+            <div class="text mb-3">
+                <label for="portada">Portada</label>
+                <input class="form-control" type="file" id="portada" name="portada" required>
+            </div>
+            
+            <div class="text mb-3">
+                <label for="epub">Fichero epub</label>
+                <input class="form-control" type="file" id="epub" name="epub" required>
+            </div>
+
             <div class="text mb-3">
                   <button type="submit" class="btn app-btn-primary w-100 theme-btn mx-auto">Añadir libro</button>
             </div>
diff --git a/LibrosPy/servicios/libros/templates/autor.html b/LibrosPy/servicios/libros/templates/autor.html
index 21a2f40..d1b1262 100644
--- a/LibrosPy/servicios/libros/templates/autor.html
+++ b/LibrosPy/servicios/libros/templates/autor.html
@@ -30,7 +30,7 @@
                     <thead>
                         <tr>
                             <th class="cell">#</th>
-                            <th class="cell">Fecha</th>
+                            <th class="cell">anno</th>
                             <th class="cell">Título</th>
                             <th class="cell">Portada</th>
                         </tr>
@@ -39,7 +39,7 @@
                         {% for libro in libros %}
                         <tr>
                             <td class="cell">{{ libro.id }}</td>
-                            <td class="cell">{{ libro.fecha }}</td>
+                            <td class="cell">{{ libro.anno }}</td>
                             <td class="cell">{{ libro.titulo }}</td>
                             {% if libro.portada %}
                             <td class="cell"><img src="{{ url_for('paginas.uploaded_file', filename=libro.portada) }}" alt="{{ autor.apellido }}, {{ autor.nombre}}" style="width:200px;height:200px;"></td>
diff --git a/LibrosPy/servicios/libros/templates/edit_libro.html b/LibrosPy/servicios/libros/templates/edit_libro.html
index d9d2fb3..57aa191 100644
--- a/LibrosPy/servicios/libros/templates/edit_libro.html
+++ b/LibrosPy/servicios/libros/templates/edit_libro.html
@@ -6,15 +6,15 @@
     <div class="box">
         <form method="POST" action="{{ url_for('paginas.edit_libro', libro_id=libro.id) }}"> 
             <div class="text mb-3">
-                <label for="fecha">Fecha:</label>
-                <input class="form-control" type="date" id="fecha" name="fecha" value="{{ libro.fecha }}" required>
+                <label for="anno">anno:</label>
+                <input class="form-control" type="date" id="anno" name="feannocha" value="{{ libro.anno }}" required>
             </div>
 
             <div class="text mb-3">
                 <label for="autor_id">Autor</label>
                 <select class="form-control" id="autor_id" name="autor_id" required>
                     {% for autor in autores %}
-                    <option value="{{ autor.id }}" {% if libro.autor_id == autor.id %}selected{% endif %}>{{ libro.fecha }}</option>
+                    <option value="{{ autor.id }}" {% if libro.autor_id == autor.id %}selected{% endif %}>{{ libro.anno }}</option>
                     {% endfor %}
                 </select>
             </div>
@@ -31,6 +31,14 @@
                 <img src="{{ url_for('paginas.uploaded_file', filename=libro.portada) }}" alt="{{ libro.titulo }}" style="width:100px;height:100px;"><br>
                 {% endif %}
             </div>
+
+            <div class="text mb-3">
+                <label for="epub">Portada</label>
+                <input class="form-control" type="file" id="epub" name="epub">
+                {% if libro.portada %}
+                <img src="{{ url_for('paginas.uploaded_file', filename=libro.epub) }}" alt="{{ libro.titulo }}" style="width:100px;height:100px;"><br>
+                {% endif %}
+            </div>
             
             <div class="text mb-3">
                   <button type="submit" class="btn app-btn-primary w-100 theme-btn mx-auto">Guardar cambios</button>
diff --git a/LibrosPy/servicios/libros/templates/index.html b/LibrosPy/servicios/libros/templates/index.html
index b9ca900..6544a2e 100644
--- a/LibrosPy/servicios/libros/templates/index.html
+++ b/LibrosPy/servicios/libros/templates/index.html
@@ -8,13 +8,7 @@
     
     <nav id="orders-table-tab" class="orders-table-tab app-nav-tabs nav shadow-sm flex-column flex-sm-row mb-4">
         <a class="flex-sm-fill text-sm-center nav-link active" id="orders-all-tab" data-bs-toggle="tab" href="#orders-all" role="tab" aria-controls="orders-all" aria-selected="true">Todos</a>
-        {% for cadacoche in autores %}
-
-        <a class="flex-sm-fill text-sm-center nav-link"  id="orders-paid-tab" data-bs-toggle="tab" href="#{{ cadacoche.matricula }}" role="tab" aria-controls="orders-paid" aria-selected="false">{{ cadacoche.marca }}</a>
         
-        {% endfor %}	
-
-
         <a class="flex-sm-fill text-sm-center nav-link" id="orders-pending-tab" data-bs-toggle="tab" href="#autores" role="tab" aria-controls="orders-pending" aria-selected="false">Autores</a>
     </nav>
     
@@ -28,7 +22,7 @@
                             <thead>
                                 <tr>
                                     <th class="cell">#</th>
-                                    <th class="cell">Fecha</th>
+                                    <th class="cell">anno</th>
                                     <th class="cell">Título</th>
                                     <th class="cell">Autor</th>
                                     <th class="cell">Portada</th>
@@ -37,7 +31,7 @@
                                 {% for libro in libros %}
                                 <tr>
                                     <td class="cell">{{ libro.id }}</td>
-                                    <td class="cell">{{ libro.fecha }}</td>
+                                    <td class="cell">{{ libro.anno }}</td>
                                     <td class="cell">{{ libro.titulo }}</td>
                                     <td class="cell">{{ libro.autores.apellido }}, {{ libro.autores.nombre }}</td>
                                     {% if libro.portada %}
@@ -53,53 +47,7 @@
                 </div><!--//app-card-body-->		
             </div><!--//app-card-->						
         </div><!--//tab-pane-->
-              
-        {% for autor in autores %}
-
-        <div class="tab-pane fade" id="{{ autor.apellido }}" role="tabpanel" aria-labelledby="orders-paid-tab">
-            <div class="app-card app-card-orders-table mb-5">
-                <div class="app-card-body">
-                    <div class="table-responsive">
-                        <table class="table mb-0 text-left">
-                            <thead>
-                                <tr>
-                                    <th class="cell">#</th>
-                                    <th class="cell">Fecha</th>
-                                    <th class="cell">Título</th>
-                                    <th class="cell">Autor</th>
-                                    <th class="cell">Portada</th>
-                                </tr>
-                            </thead>
-
-                            <tbody> 
-                                {% for libro in libros %}
-
-                                {% if libro.autor_id == autor.id %}
-
-                                <tr>
-                                    <td class="cell">{{ libro.id }}</td>
-                                    <td class="cell">{{ libro.fecha }}</td>
-                                    <td class="cell">{{ libro.titulo }}</td>
-                                    <td class="cell">{{ libro.autores.apellido }}, {{ libro.autores.nombre }}</td>
-                                    {% if libro.portada %}
-                                    <td class="cell"><img src="{{ url_for('paginas.uploaded_file', filename=libro.portada) }}" alt="{{ autor.apellido }}, {{ autor.nombre}}" style="width:200px;height:200px;"></td>
-                                    {% else %}
-                                    <p>Sin imagen</p>
-                                    {% endif %}
-                                </tr>
-                                {% endif %}
-                                {% endfor %}                 
-                               
-                            </tbody>
-
-                        </table>
-                    </div><!--//table-responsive-->
-                </div><!--//app-card-body-->		
-            </div><!--//app-card-->
-        </div><!--//tab-pane-->
-        {% endfor %}	
-
-        
+                    
         <div class="tab-pane fade" id="autores" role="tabpanel" aria-labelledby="orders-pending-tab">
             <div class="app-card app-card-orders-table mb-5">
                 <div class="app-card-body">
diff --git a/LibrosPy/servicios/libros/templates/libros.html b/LibrosPy/servicios/libros/templates/libros.html
index af682f2..5f4ff66 100644
--- a/LibrosPy/servicios/libros/templates/libros.html
+++ b/LibrosPy/servicios/libros/templates/libros.html
@@ -24,7 +24,7 @@
 										<thead>
 											<tr>
 												<th class="cell">#</th>
-												<th class="cell">Fecha</th>
+												<th class="cell">anno</th>
 												<th class="cell">Título</th>
 												<th class="cell">Autor</th>
 												<th class="cell">Portada</th>
@@ -34,7 +34,7 @@
 											{% for libro in libros %}
 											<tr>
 												<td class="cell">{{ libro.id }}</td>
-												<td class="cell">{{ libro.fecha }}</td>
+												<td class="cell">{{ libro.anno }}</td>
 												<td class="cell">{{ libro.titulo }}</td>
 												<td class="cell">{{ libro.autores.apellido }}, {{ libro.autores.nombre }}</td>
 												{% if libro.portada %}
diff --git a/LibrosPy/servicios/libros/templates/nohayautores.html b/LibrosPy/servicios/libros/templates/nohayautores.html
new file mode 100644
index 0000000..f2bc3b9
--- /dev/null
+++ b/LibrosPy/servicios/libros/templates/nohayautores.html
@@ -0,0 +1,14 @@
+{% extends 'base.html' %}
+
+{% block content %}
+
+			    <div class="app-card p-5 text-center shadow-sm">
+				    <h1 class="page-title mb-4">Error<br><span class="font-weight-light">No hay autores</span></h1>
+				    <div class="mb-4">
+					    Lo siento, no hay autores por lo que no se puede crear un libro.
+				    </div>
+				    <a class="btn app-btn-primary" href="{{ url_for('paginas.index') }}">Ir a la página de inicio</a>
+			    </div>
+
+{% endblock %}
+
diff --git a/LibrosPy/servicios/libros/templates/song.html b/LibrosPy/servicios/libros/templates/song.html
deleted file mode 100644
index dc30fc1..0000000
--- a/LibrosPy/servicios/libros/templates/song.html
+++ /dev/null
@@ -1,37 +0,0 @@
-{% extends 'base.html' %}
-
-{% block content %}
-<div class="container-xl">
-    <div class="app-card app-card-notification shadow-sm mb-4">
-        <div class="app-card-header px-4 py-3">
-            <div class="row g-3 align-items-center">
-                <div class="col-12 col-lg-auto text-center text-lg-start">						        
-                    {% if album.cover_image %}
-                    <p><img src="{{ url_for('paginas.uploaded_file', filename=album.cover_image) }}" alt="{{ album.name }}" style="width:200px;height:200px;"></p>
-                    {% else %}
-                    <p>No hay imágen disponible</p>
-                    {% endif %}
-                </div><!--//col-->
-                <div class="col-12 col-lg-auto text-center text-lg-start">
-                    <h4 class="notification-title mb-1">{{ song.title }}</h4>
-                    
-                    <ul class="notification-meta list-inline mb-0">
-                        <li class="list-inline-item">{{ song.author }}</li>
-                        <li class="list-inline-item">|</li>
-                        <li class="list-inline-item">{{ song.album.year }}</li>
-                        <li class="list-inline-item">|</li>
-                        <li class="list-inline-item"><a href="{{ url_for('paginas.album', album_id=song.album.id) }}">{{ song.album.name }}</a></li>
-                    </ul>
-               
-                </div><!--//col-->
-                <div class="col-12 col-lg-auto text-center text-lg-start">
-                <p><a href="{{ url_for('paginas.edit_song', song_id=song.id) }}">Editar</a></p>
-                </div>
-            </tr>
-            </div><!--//row-->
-        </div><!--//app-card-header-->
-        <div class="app-card-body p-4">
-            <pre>{{ song.lyrics }}</pre>
-        </div><!--//app-card-body-->
-    </div><!--//app-card-->
-{% endblock %}
diff --git a/LibrosPy/servicios/migrations/versions/e576e4755d2b_añado_campo_para_albergar_el_epub.py b/LibrosPy/servicios/migrations/versions/e576e4755d2b_añado_campo_para_albergar_el_epub.py
new file mode 100644
index 0000000..3aca1b2
--- /dev/null
+++ b/LibrosPy/servicios/migrations/versions/e576e4755d2b_añado_campo_para_albergar_el_epub.py
@@ -0,0 +1,32 @@
+"""Añado campo para albergar el epub
+
+Revision ID: e576e4755d2b
+Revises: eb0fff06a76e
+Create Date: 2024-07-31 16:56:33.920059
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'e576e4755d2b'
+down_revision = 'eb0fff06a76e'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('libros', schema=None) as batch_op:
+        batch_op.add_column(sa.Column('epub', sa.String(length=100), nullable=True))
+
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('libros', schema=None) as batch_op:
+        batch_op.drop_column('epub')
+
+    # ### end Alembic commands ###
diff --git a/LibrosPy/servicios/migrations/versions/eb0fff06a76e_cambio_fecha_por_año.py b/LibrosPy/servicios/migrations/versions/eb0fff06a76e_cambio_fecha_por_año.py
new file mode 100644
index 0000000..f54daff
--- /dev/null
+++ b/LibrosPy/servicios/migrations/versions/eb0fff06a76e_cambio_fecha_por_año.py
@@ -0,0 +1,34 @@
+"""Cambio fecha por año
+
+Revision ID: eb0fff06a76e
+Revises: 
+Create Date: 2024-07-31 16:48:14.509488
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'eb0fff06a76e'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('libros', schema=None) as batch_op:
+        batch_op.add_column(sa.Column('anno', sa.String(length=4), nullable=False))
+        batch_op.drop_column('fecha')
+
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('libros', schema=None) as batch_op:
+        batch_op.add_column(sa.Column('fecha', sa.DATE(), nullable=False))
+        batch_op.drop_column('anno')
+
+    # ### end Alembic commands ###
diff --git a/RepostajesPy/servicios/repostajes/templates/song.html b/RepostajesPy/servicios/repostajes/templates/song.html
deleted file mode 100644
index dc30fc1..0000000
--- a/RepostajesPy/servicios/repostajes/templates/song.html
+++ /dev/null
@@ -1,37 +0,0 @@
-{% extends 'base.html' %}
-
-{% block content %}
-<div class="container-xl">
-    <div class="app-card app-card-notification shadow-sm mb-4">
-        <div class="app-card-header px-4 py-3">
-            <div class="row g-3 align-items-center">
-                <div class="col-12 col-lg-auto text-center text-lg-start">						        
-                    {% if album.cover_image %}
-                    <p><img src="{{ url_for('paginas.uploaded_file', filename=album.cover_image) }}" alt="{{ album.name }}" style="width:200px;height:200px;"></p>
-                    {% else %}
-                    <p>No hay imágen disponible</p>
-                    {% endif %}
-                </div><!--//col-->
-                <div class="col-12 col-lg-auto text-center text-lg-start">
-                    <h4 class="notification-title mb-1">{{ song.title }}</h4>
-                    
-                    <ul class="notification-meta list-inline mb-0">
-                        <li class="list-inline-item">{{ song.author }}</li>
-                        <li class="list-inline-item">|</li>
-                        <li class="list-inline-item">{{ song.album.year }}</li>
-                        <li class="list-inline-item">|</li>
-                        <li class="list-inline-item"><a href="{{ url_for('paginas.album', album_id=song.album.id) }}">{{ song.album.name }}</a></li>
-                    </ul>
-               
-                </div><!--//col-->
-                <div class="col-12 col-lg-auto text-center text-lg-start">
-                <p><a href="{{ url_for('paginas.edit_song', song_id=song.id) }}">Editar</a></p>
-                </div>
-            </tr>
-            </div><!--//row-->
-        </div><!--//app-card-header-->
-        <div class="app-card-body p-4">
-            <pre>{{ song.lyrics }}</pre>
-        </div><!--//app-card-body-->
-    </div><!--//app-card-->
-{% endblock %}