Laugh-out-loud wacky adventures in the world's MOST AWESOME treehouse! The fourth instalment in this hilarious and highly illustrated series Winner of the ABIA Book of the Year Award Andy and Terry's incredible, ever-expanding treehouse has thirteen new storeys, including a watermelon-smashing level, a wave machine, a life-size snakes and ladders game (with real ladders and real snakes!), a rocket-powered carrot launcher, a Ninja Snail Training Academy and a high-tech detective agency with all the latest high-tech detective technology. Which is lucky, because they have a BIG mystery to solve - Where is Mr Big Nose??? Well, what are you waiting for? Come on up! The 52-Storey Treehouse is the fourth 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.