"Why is it a sleepover when evreyone is UP ALL NIGHT? Jim Panzee is in a good mood for once! He is going to a sleepover at his parents' house, and Norman is com

The hilarious #1 New York Times bestselling classic about a chimpanzee in a very bad mood—is perfect for young children learning how to deal with confusing fe

NEW YORK TIMES BESTSELLER • Jim Panzee, our favorite grumpy monkey, is feeling like quite the Scrooge this holiday season! It's Christmas time in the jungle,

This graphic novel based on the #1 New York Times bestselling Grumpy Monkey is perfect for children who love the original picture books and are ready for the ne

Have you ever been a little anxious about going to a party? Jim Panzee doesn't feel like going to Porcupine's party. Parties mean dancing, and Jim really doesn'