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's amazing treehouse has 13 new levels including a chocolate waterfall, a non-erupting active volcano, an opera house, a baby-dinosaur petting zoo, Andy and Terry's Believe it or Else! museum, a not-very-merry merry-go-round, a boxing elephant called the Trunkinator, an X-Ray room, a disco with light-up dance floor, the world's scariest roller-coaster and a top-secret 39th level that hasn't even been finished yet! 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!

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!

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!

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?

Join Andy and Terry in their wonderfully wild and wacky 104-storey treehouse. You can throw some refrigerators, make some money with the moneymaking machine (or honey if you'd prefer - it makes that, too), climb the never-ending staircase, have a bunfight, deposit some burps in the burp bank, get totally tangled up in the tangled-up level, or just take some time out and relax in the peaceful sunny meadow full of buttercups, butterflies and bluebirds. Well, what are you waiting for? Come on up!

 Fourth graders George Beard and Harold Hutchins are a couple of class clowns. The only thing they enjoy more than playing practical jokes is creating their own comic books. And together they’ve created the greatest superhero in the history of their elementary school: Captain Underpants! His true identity is SO secret, even HE doesn’t know who he is!  

Nerdy Nelson wakes up on his 10th birthday to discover he has incredible ninja powers! 

The second book in Dav Pilkey's mega-best-selling Captain Underpants series, now available in Sound-O-Rama! George and Harold are usually responsible kids - whenever anything bad happens, George and Harold are usually responsible! This time, their latest prank backfires, and they accidentally invent an army of terrifying talking toilets. Luckily, they know a superhero with enough snap in his waistband to save the day! This looks like another job for the amazing Captain Underpants! 

Being a kid can really stink. And no one knows this better than Greg Heffley, who finds himself thrust into high school, where undersized weaklings share the hallways with kids who are taller, meaner and already shaving. Luckily Greg has his best friend and sidekick, Rowley. But when Rowley's popularity starts to rise, it kicks off a chain of events that will test their friendship in hilarious fashion.

Read by David Walliams, with Nitin Ganatra as Raj - listen to David perform these 10 cautionary tales introducing a delightfully dreadful cast of characters. Are you ready to listen to the World’s Worst Children? Five beastly boys and five gruesome girls!

Fly into a fiery and fantastical future with number one best-selling author David Walliams, in an epic adventure of myth and legend, good and evil, and one small boy who must save the world.... It is 2120 and London is in ruins. The young Prince Alfred has never known a life outside Buckingham Palace – but when strange goings-on breach its walls and stalk the corridors in the dead of night, he is thrust into a world of mystery, adventure and monsters.

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.

Myrtle Meek has everything she could possibly want. But everything isn’t enough. She wants more, more, MORE! When Myrtle declares she wants a FING, there’s only one problem.... What is a FING? Mr and Mrs Meek will do anything to keep their darling daughter happy, even visit the spooky library vaults to delve into the dusty pages of the mysterious Monsterpedia. Their desperate quest leads to the depths of the jungliest jungle where the rarest creatures can be found. But will they ever find a FING?