Populated the 'Author' and 'Books' models.

brevinque_reading/bookshelf/admin.py

 from django.contrib import admin
 
-# Register your models here.
+from .models import Author, Books
+
+
+class AuthorAdmin(admin.ModelAdmin):
+	model = Author
+
+
+class BooksAdmin(admin.ModelAdmin):
+	model = Books
+
+
+admin.site.register(Author, AuthorAdmin)
+admin.site.register(Books, BooksAdmin)
\ No newline at end of file