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!

Prizes: Winner of YABBA Awards 2017 (Australia) and KOALA Award Fiction for Older Readers 2017 (Australia) and KROC Awards Best Fiction for Older Readers 2017 (Australia) and BILBY Award for Younger Readers 2017. Short-listed for Indie Book Awards 2017 (Australia) and ABIA Book of the Year for Younger Children 2017 (Australia).