As glimpsed in Episode 0387
The Monkey and the Crocodile is a 1969 book adapting an Indian Jātaka tale, written and illustrated by Paul Galdone (who illustrated the Basil of Baker Street books).
The book was read by Bob on Sesame Street in Episode 0157. The book, without dust jacket and with a few added pages, was reused as a prop in Episode 0387, impersonating a tome about trains.