The 78-Storey Treehouse is the sixth book in Andy Griffiths and Terry Denton's wacky treehouse adventures, where the laugh-out-loud story is told through a combination of text and fantastic cartoon-style illustrations.Join Andy and Terry in their spectacular new 78-storey treehouse. They've added 13 new levels including a drive-thru car wash, a combining machine, a scribbletorium, an ALL-BALL sports stadium, Andyland, Terrytown, a high-security potato chip storage facility and an open-air movie theatre. Well, what are you waiting for? Come on up!