The Captain Underpants 12 Books Collection Set is a full-color paperback series by author Dav Pilkey. Aimed at ages 9-12, the humorous fiction novels feature Captain Underpants as the protagonist in illustrated adventures. Published by Scholastic in the 2010s, this collection is perfect for young readers who enjoy a blend of entertainment and learning. The set includes all the books in the Captain Underpants series, offering hours of fun and laughter for young readers.