• 5 Cooperative Children's Book Center (CCBC)
• 2 MERIT Library

• 8 Pigs
• 2 Friendship
• 2 Wolves
• 1 Animal rescue
• 1 Animals
• 1 Best friends
• 1 Books and reading
• 1 Bridges
• 1 Brothers
• 1 Characters in literature
• 1 Cooperation
• 1 Domestic animals
• 1 Elephants
• 1 Family life
• 1 Farm life
• 1 Farms
• 1 Frogs
• 1 Gerald (Fictitious character : Willems)
• 1 Humorous stories
• 1 Infancy
• 1 Libraries
• 1 Literacy
• 1 Piggie (Fictitious character : Willems)
• 1 Sharing

• 1 Blunt, Fred
• 1 Campoy, F. Isabel
• 1 Denton, Kady MacDonald
• 1 Evans, Claire (Illustrator)
• 1 Gehl, Laura
• 1 Hernández, Glenn
• 1 Hest, Amy
• 1 Lindström, Eva, 1952-
• 1 Peters, Helen (Children's fiction writer)
• 1 Pizzoli, Greg
• 1 Prime, Annie
• 1 Snowdon, Ellie
• 1 Willems, Mo

• 7 English
• 1 Spanish

• 8 Juvenile fiction
• 7 Fiction
• 3 Picture books
• 2 Readers (Publications)
• 2 readers
• 1 Adaptations
• 1 Children's stories
• 1 Fairy tales
• 1 High interest-low vocabulary books
• 1 Humorous fiction
• 1 JUVENILE FICTION / Animals / Pigs
• 1 Spanish language materials
• 1 fiction

Limit year range