New York Times bestselling author Andy Griffiths invites readers to come hang out with him and his friend Terry in their 52-Story Treehouse the fourth book in the illustrated middle-grade series filled with Andy and Terry's signature slapstick humor!"

The 52-Story Treehouse 2017, Square Fish, New York

ISBN-13: 9781250103796

Trade paperback

The 52-Story Treehouse 2016, Feiwel & Friends, New York

ISBN-13: 9781250026934