Andy and Terry's amazing treehouse has 13 new levels! They've added a chocolate waterfall you can swim in, a volcano for toasting marshmallows, a bulldozer-battling level, a baby-dinosaur-petting zoo, a not-very-merry merry-go-round, a boxing elephant called the Trunkinator, an X-ray room, a disco with a light-up dance floor, the world's scariest roller coaster and a top-secret 39th level which hasn't even been finished yet! But what good is all this stuff when Andy and Terry are trying to write their fastest book ever?

Be warned! Awful animals lurk inside. These 10 tales of the world’s craziest creatures will have you shaking with laughter. You’ll never look at pets in the same way again! Marvel at Houdini, the magician’s rabbit. Take a trip around the world with Zoom, the supersonic tortoise. Gasp at the chaos created by Griselda, a grizzly bear with a big secret. And run for your lives! It’s Furp, the monstrous goldfish!

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. 

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.

Can Zack save the earth from butts gone berserk? Can he defeat the biggest, ugliest, meanest butt the world has ever seen? More importantly, will Zack and his butt ever find true happiness? It's an adventure you and your butt will never forget!

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?

Edwin isn't an ordinary boy. He is a king, with a throne and his own suit of armour and a castle with secret passages and everything. Every Friday King Edwin spends all his money on chocolate for the peasants. But when the money runs out, Edwin finds himself in a fix. Cue the arrival of evil Emperor Nurbison, in his pointy-collared black cloak and accompanied by scary striding music. He has had his eye on Edwin's kingdom for a while and intends to use the peasants' unhappiness to his advantage!

Charlie and Sarah are bored. They live in the middle of nowhere, with their dull grandparents who refuse to let them do anything exciting. But one day, adventure comes knocking when their grandparents are captured by the most terrifying pirate of all time - Vladimir Death Pirate. Charlie and Sarah launch an immediate rescue mission, setting sail to find their grandparents...in a bathtub!

Greg Heffley finds himself thrust into a new year and a new school where undersize weaklings share the corridors with kids who are taller, meaner and already shaving. Desperate to prove his new found maturity, which only going up a grade can bring, Greg is happy to have his not-quite-so-cool sidekick, Rowley, along for the ride. But when Rowley's star starts to rise, Greg tries to use his best friend's popularity to his own advantage. Recorded in his diary with comic pictures and his very own words, this test of Greg and Rowley's friendship unfolds with hilarious results.

Franky can't wait to move to his new town - although he wishes he didn't have to leave his best friend, Dani, behind. But everything changes after the storm, when strange green lightning and powerful thunder crash down on the town. From that night on, the kids who live on Franky's street start to change. One by one, they become a little odd. A little unusual. A little...magical. Franky's always wanted to be part of an amazing gang - just like his hero, super-spy Zack Danger! And soon, he realises that there's real danger in store for himself and his new friends.

 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!  

Welcome to Shoe Town - and meet Ruby and Bear Foot. They are running out of time to rescue their inventor dad from his hideous boss, Wendy Wedge. She'll do anything to win the glitzy Golden Shoe Award and knows that entering flying shoes is her hot ticket to the trophy. Flying shoes that Ruby and Bear just happen to be hiding. Get ready for a gadget-packed, wedge-of-your-feet adventure like no other!

1940. Britain is at war with Nazi Germany. Eleven-year-old Eric spends his days at the place that makes him most happy: London Zoo. And there’s one animal in particular he loves: Gertrude the gorilla. With bombs falling all over London, Eric must rescue Gertrude. Together with his uncle Sid, a keeper at the zoo, the three go on the run. But while hiding out at the seaside they uncover a top-secret Nazi plot. 

Nothing extraordinary has ever happened to Billy Smith. In fact, every single thing about him is ordinary, including his name. But when a documentary crew turns up at Billy’s school to film the new TV series School Daze, everything changes. Billy shouldn’t stand out: all the other kids are much more interesting than him. But when remixes of his boring class presentation go viral, Billy finds himself accidentally an overnight star. 

When Eddy Stone finds a pirate in his Gran’s bath, his miserable summer holiday turns into a treasure hunt. Setting sail in a ship-shaped shed, crewed by an old lady and a grumpy penguin, what could possibly stop them? (Apart from the world’s most evil shopkeeper, a man-eating beast, and the maddest, baddest villain in all the seven seas.) All aboard for an EPIC adventure....