The seventh laugh-out-loud and wacky adventure in the world's most awesome treehouse! Join Andy and Terry in their now 91-storey spectacular treehouse. They've added 13 new levels, including the world's most powerful whirlpool, a mashed-potato-and-gravy train and a human pinball machine. Why not try your luck on the spin-and-win prize wheel, hang out in a giant spider web (with a giant spider), or eat a submarine sandwich the size of an actual submarine?

Andy and Terry's amazing treehouse now has 13 new storeys, including a tiny-horse level, a pyjama-party room, an Underpants Museum, a photo-bombing booth, a waiting room, a Door of Doom, a circus, a giant-fighting-robot arena, a traffic school, a water-ski park filled with flesh-eating piranhas and a treehouse visitor centre with a 24-hour information desk, a penguin-powered flying treehouse tour bus and a gift shop. Well, what are you waiting for? Come on up!

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!

Andy and Terry’s amazing 65-Storey Treehouse now has a pet-grooming salon, a birthday room where it’s always your birthday (even when it’s not), a room full of exploding eyeballs, a lollipop shop, a quicksand pit, an ant farm, a time machine and Tree-NN: a 24-hour-a-day TV news centre keeping you up to date with all the latest treehouse news, current events and gossip. Well, what are you waiting for? Come on up!

Andy and Terry's incredible, ever-expanding treehouse has 13 new storeys, including a watermelon-smashing level, a wave machine, a life-size snake- 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!

You’re probably wondering just how Andy and Terry met. Well, it’s a long story, but a pretty exciting one, and it’s mostly true! Come on up, choose a hammock, and they’ll tell you all about it. Andy and Terry's newly expanded treehouse, which now features 13 brand-new storeys, including a dodgem car rink, a skate ramp, a mud-fighting arena, an antigravity chamber, and an ice cream parlour with 78 flavours run by an ice-cream-serving robot called Edward Scooperhands. Just keep clear of the Maze of Doom....

Andy and Terry have a new book to write, but there's a problem. A BIG problem. Well, quite a few big problems actually.... On a hill not too far away there is a tree. And in that tree there is a tree house. And in that tree house there is a bowling alley, a see-through swimming pool, a tank full of sharks, a giant rope swing, a library full of comics, a secret underground laboratory, a vegetable vaporiser and a free marshmallow-dispensing machine.

Warning! This book contains nothing but bad stories, bad poems, and bad riddles about bad characters doing bad things. It is a very, very, very bad book.

Andy and Danny boldly go where sensible people fear to tread. Just how stupid can two human beings be? Just Stupid! provides the answer to this vexing and important question. Winner of AudioFile's Earphones Award - 2005.

Ever tried to get out of going to school by pretending that you're dead? Ever managed to convince a friend that they're invisible? Ever been stuck in a gorilla suit and nearly put in a zoo? Andy has. Andy's the greatest practical joker in the world ... well, almost. He would be, if only his practical jokes didn't have the annoying habit of backfiring on him.

Millions of young listeners have loved the World's Worst Children tales. Now they will revel in this delightfully dreadful collection of the most gruesome grown-ups ever: The World's Worst Teachers. Think your teachers are bad? Wait till you meet this lot. These 10 tales of the world's most splendidly sinister teachers will have you running for the school gates. Dr Dread teaches science and is half man, half monster. Watch out for the ghastly Miss Seethe. She is always furious and she's on a detention rampage. 

Welcome to the Isle of Mulch! This little island is home to a large number of horrible grown-ups. The school, the local park, the toy shop and even the island's ice-cream van, are all run by awful adults who like nothing more than making children miserable. And the island is owned by the most awful one of all: Aunt Greta Greed! Something needs to be done about them. But who could be brave enough? Meet Ned: an extraordinary boy with a special power. SLIMEPOWER!

On a trip to Principal Greenbeard's office, Henry McThrottle discovers that there is buried treasure on Skull Island, which is somewhere in the school! Henry and his friends Jenny, Gretel, Newton and Jack set out to find a chest filled with gold, jewel-encrusted goblets and pieces of eight (whatever they are). But soon their secret is out, and everyone has treasure fever. Can they find the buried treasure, beat the bully, catch the villain and save their teacher, Mr Brainfright?

Is this the right book for you? Take the Crazy Test and find out. Do you bounce so high on your bed that you hit your head on the ceiling? Do you ever look in the mirror and see a crazy maniac staring back at you? Do you like to read stories about kittens, puppies and ponies getting mashed and pulverised? Do you sometimes get the urge to take your clothes off and cover yourself in mud? Do you often waste your time on tests like this one?

Is this the right book for you? Take the DOOMED TEST to find out. 1. Have you ever broken a mirror, walked under a ladder or opened an umbrella inside? 2. Do you often find yourself feeling that everything is about to go horribly, terribly and utterly wrong? 3. Have you ever lost or destroyed a valuable item that didn’t belong to you? 4. Have you just accidentally enraged a very large and bad-tempered bully? 5. Are you 120 years old or over? SCORE: One point for each YES answer. 3-5 – You are definitely DOOMED! You will love this book. 1-2 – You are fairly DOOMED!