Fifth-grade sleuth Cam Jansen uses her photographic memory to discover what happened to a classmate's missing cookie.

In "Please write back!" Alfie writes a letter to his grandmother and eagerly awaits her reply. In " May I please have a cookie?" Alfie, a young alligator, learns the best way to ask for a cookie from his mother.

When Mr. Green wakes up from his nap, he finds fresh baked cookies and a note that says they are terrible and not to eat them.

Clifford looks for clues to help prove Emily Elizabeth's innocence when she is suspected of stealing Jetta's necklace.