update

sidtSite/catalog/views.py

 from django.shortcuts import render
-
+from django.views import generic
 # Create your views here.
 
 from .models import Book, Author, BookInstance, Genre
@@ -21,3 +21,8 @@ def index(request):
         'index.html',
         context={'num_books':num_books,'num_instances':num_instances,'num_instances_available':num_instances_available,'num_authors':num_authors},
     )
+
+
+
+class BookListView(generic.ListView):
+    model = Book