The 13-Storey Treehouse is the first bestselling book in Andy Griffiths and Terry Denton's wacky treehouse adventures, packed full of comic book style illustrations! Perfect for fans of Dog Man and Bunny vs. Monkey, this book will make you laugh-out-loud on every page. 'The kind of book I would have loved as a kid' - Tom Fletcher, author of The Christmasaurus Andy and Terry live in the WORLD'S BEST treehouse! It's got a giant catapult, a secret underground laboratory, a tank of man-eating sharks and a marshmallow machine that follows you around and shoots marshmallows into your mouth whenever you're hungry! Just watch out for the sea monkeys, and the monkeys pretending to be sea monkeys, and the giant mutant mermaid sea monster . . . Oh, and, whatever you do, don't get trapped in a burp-gas-filled bubble . . . ! Well, what are you waiting for? Come on up! Climb more fun-filled levels by collecting all thirteen books in the seven million-copy-selling series – the perfect chapter books for reluctant readers.