Join Andy and Terry in their 104-storey spectacular treehouse – it used to be a 91-story treehouse, but they decided it was still missing a few things!They've added thirteen new levels, including a never-ending staircase, a burp bank, and even a mighty fortress. But Andy and Terry are in a race against time to find a funny story for their next book – and Andy had a toothache that hurts so bad he can't write any jokes for their new book.

Will the tooth fairy be able to help?Well, if not, Terry knows just what to do: buy a Joke Writer 2000™ to write the jokes for them! All they need first is some money from their money-making machine and then it’s off to the store. It’s a foolproof plan—a Terry-proof one, even!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. And dive into even more fun adventures in the brilliant You and Me series.