India. The country of curry, chutney, tigers, the Taj Mahal... and the Blue Rat Gang! In Delhi, hundreds of children have been enslaved. Will no one help them? Does no one care? One person does. And one dog too. On trains and rickshaws, travelling from slums to palaces, Tim and Grk plunge into the heart of India for the most exciting adventure of their lives.

Tim finds himself chasing the most dangerous criminals in Brazil - the Pelotti brothers. He stumbles across their hideout in Rio de Janeiro and pursues them in to the jungle. Tim just has his brains - and a little help from a dog called Grk.

When Tim discovers a man badly hurt on a beach, his sun-kissed relaxing holiday in the Seychelles takes on a more dangerous twist. He and Grk are the only ones, it seems, who want to know what happened. They find themselves speeding towards a well-guarded private island, and single-handedly foiling a dastardly plot threatening the local endangered giant tortoises.

New York might be the Big Apple, but for Tim it's sausage city. A priceless golden statue has been stolen & Tim has a vital clue.He follows the trail of hot dogs in a chase from Central Park to Brooklyn - helped by the hottest dog of all, Grk.

Hi, my name is Hope Jones, and I'm giving up plastic to save our oceans! Giving up plastic is really hard. There’s so much everywhere! In the supermarket, my classroom, our bathroom...And grown-ups don’t seem to care. Luckily I have my friend Harry to help me. Together, we're going to save the world!

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.

Elliot's mum is ill and his home is under threat, but a shooting star crashes to earth and changes his life forever. The star is Virgo - a young Zodiac goddess on a mission. But the pair accidentally release Thanatos, a wicked death daemon imprisoned beneath Stonehenge, and must then turn to the old Olympian gods for help. After centuries of cushy retirement on earth, are Zeus and his crew up to the task of saving the world - and solving Elliot's problems too?

Twins Arthur and Maudie Brightstorm receive word in Lontown that their famous explorer father has died in a failed attempt to reach the southernmost point in the world. Not only that, but he has been accused of stealing fuel before he died! The twins don't believe the news, and they answer an ad to join a new attempt to reach South Polaris. It's their only hope of learning the truth...and salvaging their family's reputation.  

Harry Potter has never even heard of Hogwarts when the letters start dropping on the doormat at number four, Privet Drive. Addressed in green ink on yellowish parchment with a purple seal, they are swiftly confiscated by his grisly aunt and uncle. Then, on Harry's eleventh birthday, a great beetle-eyed giant of a man called Rubeus Hagrid bursts in with some astonishing news: Harry Potter is a wizard, and he has a place at Hogwarts School of Witchcraft and Wizardry. An incredible adventure is about to begin!

Darkus is miserable. His dad has disappeared, and now he is living next door to the most disgusting neighbours ever. A giant beetle called Baxter comes to his rescue. But can the two solve the mystery of his dad's disappearance, especially when links emerge to cruel Lucretia Cutter and her penchant for beetle jewellery? A coffee-mug mountain, home to a million insects, could provide the answer - if Darkus and Baxter are brave enough to find it.

Did you know that trees take care of each other and that the whole forest is connected? DK's audiobook The Magic & Mystery of Trees takes children on a fascinating journey of exploration, showing them just how special these mighty organisms are. Discover how they communicate and warn each other of predators, how they nurture their networks, record the past and anticipate the future to ensure their survival.

Tom really wants to be an explorer. His favourite book is an atlas, and he follows adventurers not footballers. His schooldays are spent daydreaming about travelling from Tibet to Timbuktu. A private wish blurted out loud started his freewheeling adventure: I'm going to cycle round the world. His classmates laughed. No one believed him, least of all his teacher.

The kingdom of Cornucopia was once the happiest in the world. It had plenty of gold, a king with the finest moustache you could possibly imagine, and butchers, bakers, and cheesemongers whose exquisite foods made a person dance with delight when they ate them. Everything was perfect - except for the misty Marshlands to the north, which, according to legend, were home to the monstrous Ickabog. Anyone sensible knew that the Ickabog was just a myth to scare children into behaving. But the funny thing about myths is that sometimes they take on a life of their own.  

Imagine that a few years from now England is covered by water, and Norwich is an island. Zoe, left behind in the confusion when her parents escaped, survives there as best she can. Alone and desperate among marauding gangs, she manages to dig a derelict boat out of the mud and gets away to Eels Island. But Eels Island, whose raggle-taggle inhabitants are dominated by the strange boy Dooby, is full of danger, too. The belief that she will one day find her parents spurs Zoe on to a dramatic escape in a story of courage and determination that is handled with warmth and humanity.

Way out in the furthest part of the known world, a tiny stronghold exists all on its own, cut off from the rest of human-kin by monsters that lurk beneath the Snow Sea. There, a little boy called Ash waits for the return of his parents, singing a forbidden lullaby to remind him of them...and doing his best to avoid his very, very grumpy yeti guardian, Tobu. But life is about to get a whole lot more crazy-adventurous for Ash.