Update app.py

app.py

@@ -31,6 +31,6 @@ with gr.Blocks() as demo:
     text_input = gr.Textbox()
     text_output = gr.DataFrame(wrap=True)
     text_button = gr.Button("Search")
-    text_button.click(narrator_retriever, inputs=text_input, outputs=text_output)
+    text_button.click(book_retriever, inputs=text_input, outputs=text_output)
 
 demo.launch()