Designed by juvenile psychologists, these books aim to enhance child development by broadening vocabulary, developing fine motor skills, and introducing children to new and stimulating concepts. In each book, children have fun pulling tabs to find the answers to simple questions. Caillou notices items missing from his environment.
Fabien Savary is the author of Caillou: Farm Animals and Caillou: Who Lives in the Forest? Isabelle Vadeboncoeur is the author of Caillou: People in My Neighborhood and Caillou: What Do You Like to Eat? Pierre Brignaud is the illustrator of numerous Titles in the Caillou Series. They all live in Montreal, Quebec.