diff --git a/app.py b/app.py
index 57c26a7..71503ed 100644
--- a/app.py
+++ b/app.py
@@ -1,10 +1,62 @@
-from flask import Flask
+from flask import Flask, render_template, request, redirect, url_for
+from flask_sqlalchemy import SQLAlchemy
+import os
+
+basedir = os.path.abspath(os.path.dirname(__file__))
 
 app = Flask(__name__)
+app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///' + os.path.join(basedir, 'buecher.sql')
+app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
+db = SQLAlchemy(app)
 
+# Datenbankmodell für ein Buch
+class Buch(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    titel = db.Column(db.String(80), nullable=False)
+    autor = db.Column(db.String(80), nullable=False)
+    jahr = db.Column(db.Integer)
+
+    def __repr__(self):
+        return f'<Buch {self.titel}>'
+
+with app.app_context():
+    db.create_all()
+
+# Routen für die Anwendung
 @app.route('/')
-def hello_world():
-    return 'Hello, World!'
+def index():
+    buecher = Buch.query.all()
+    return render_template('index.html', buecher=buecher)
+
+@app.route('/hinzufuegen', methods=['GET', 'POST'])
+def hinzufuegen():
+    if request.method == 'POST':
+        titel = request.form['titel']
+        autor = request.form['autor']
+        jahr = request.form.get('jahr', None)  # Jahr kann optional sein
+        neues_buch = Buch(titel=titel, autor=autor, jahr=jahr)
+        db.session.add(neues_buch)
+        db.session.commit()
+        return redirect(url_for('index'))
+    return render_template('hinzufuegen.html')
+
+@app.route('/bearbeiten/<int:id>', methods=['GET', 'POST'])
+def bearbeiten(id):
+    buch = Buch.query.get_or_404(id)
+    if request.method == 'POST':
+        buch.titel = request.form['titel']
+        buch.autor = request.form['autor']
+        buch.jahr = request.form.get('jahr', None)
+        db.session.commit()
+        return redirect(url_for('index'))
+    return render_template('bearbeiten.html', buch=buch)
+
+@app.route('/loeschen/<int:id>')
+def loeschen(id):
+    buch = Buch.query.get_or_404(id)
+    db.session.delete(buch)
+    db.session.commit()
+    return redirect(url_for('index'))
 
 if __name__ == '__main__':
     app.run(debug=True)
diff --git a/buecher.sql b/buecher.sql
new file mode 100644
index 0000000..c1a0873
Binary files /dev/null and b/buecher.sql differ
diff --git a/templates/index.html b/templates/index.html
index d688f85..b1edcd6 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -3,10 +3,21 @@
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>Meine Bücherverwaltung</title>
+    <title>BibelTresor</title>
     <link rel="stylesheet" href="{{ url_for('static', filename='css/bootstrap.min.css') }}">
 </head>
 <body>
+  <h1>Meine Bücher</h1>
+    <ul>
+        {% for buch in buecher %}
+        <li>{{ buch.titel }} von {{ buch.autor }} ({{ buch.jahr }}) -
+            <a href="{{ url_for('bearbeiten', id=buch.id) }}">Bearbeiten</a> -
+            <a href="{{ url_for('loeschen', id=buch.id) }}">Löschen</a>
+        </li>
+        {% endfor %}
+    </ul>
+    <p><a href="{{ url_for('hinzufuegen') }}">Neues Buch hinzufügen</a></p>
+
     <script src="{{ url_for('static', filename='js/bootstrap.bundle.min.js') }}"></script>
 </body>
 </html>