Diane De Groat

Gilbert is excited about the costume he is planning to wear in the Halloween parade at school, until he discovers that lots of others have the same costume.

Before Lewis's birthday party, Gilbert's mother wisely substitutes a toy for the frying pan Gilbert wants to give Lewis.

When Gilbert forges other students' names on some mean valentines, his trick is soon discovered and his classmates are angry.

When Gilbert and Lola's cousin Wally comes to visit for Easter, he learns a lesson about being greedy during the annual Easter egg hunt.

Gilbert the opossum gets stuck with a tattletale "buddy" on a class trip to Pilgrim Town.

On April Fools' Day, Gilbert is unhappy that everyone is tricking him and he is unable to get them back, but then he thinks of a great way to fool his best friend. Includes tricks hidden in the illustrations for the reader to find.

Gilbert's excitement over starting first grade turns to worry that the teacher will be mean, the work too hard, and his classmates too unfriendly, but throughout the day there are pleasant surprises.

"A boy's favorite superhero climbs out of a comic book and into the real world"--

Mr. and Mrs. Moose try to invite a turkey to their Thanksgiving feast.

When Mama and the kids are busy with their lessons, Charlie decides to start a class of his own with Suzie, Kitty, and Walter.