The first instalment of the bestselling Treehouse series from the punk rock stars of Australian children's literature "Extremely enjoyable, very funny and easy to read!" The Guardian "The silliest, craziest most awesome stories ever" K-Zone Andy and Terry's 13-storey treehouse is the most amazing treehouse in the world! It's got a bowling alley, a see-through swimming pool, a tank full of man-eating sharks, a giant catapult, a secret underground laboratory and a marshmallow machine that follows you around and shoots marshmallows into your mouth whenever you're hungry. Well, what are you waiting for? Come on up! Winner of the Australian Book Industry Award for Book of the Year for Older Readers 2011 Winner of KOALA Awards Best Fiction for Older Readers 2011 Winner of YABBA Awards for Best Fiction for Older Readers 2011 Fans of Jeff Kinney's Wimpy Kid will love the Treehouse series!