Grumpy Monkey book collection is written by Suzanne Lang and illustrated by Max Lang. This series features the lovable and relatable character Jim Panzee, a monkey who often finds himself feeling grumpy or frustrated. Each book in the collection explores different emotions and teaches valuable lessons about self-acceptance, empathy, and the importance of acknowledging and managing our feelings. With Suzanne Lang's engaging storytelling and Max Lang's colorful and expressive illustrations, this series has become a popular choice for young readers. These books are not only entertaining, but also provide a platform for discussions about emotions and social-emotional learning.