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!

This summer the Penderwick sisters have a wonderful surprise: a holiday on the grounds of a beautiful estate called Arundel. Soon they are busy discovering the summertime magic of Arundel's sprawling gardens, treasure-filled attic, tame rabbits, and the cook who makes the best gingerbread in Massachusetts. But the best discovery of all is Jeffrey Tifton, son of Arundel's owner, who quickly proves to be the perfect companion for their adventures.

Here is the timeless story of Mary Poppins, the world's favorite nanny, and her magical adventures with the Banks family. Mary Poppins is like no other nanny the Banks children have ever seen. It all starts when their new nanny is blown by the east wind onto the doorstep of the Banks house, carrying a parrot-headed umbrella and a magic carpetbag. She becomes a most unusual nanny to Jane, Michael, and the twins.

When a moose is found on a portion of desolate African coastline, numerous people race to either help or hinder his plight. Befriended by a young local boy who vows to be the moose's friend and protector, the pair set off on an accidental adventure across the African wilderness.

Prez knows that the best way to keep track of things is to make a list. That's important when you have a grandfather who is constantly forgetting. And it's even more important when your grandfather can't care for you anymore, and you have to go live with a foster family out in the country.

To the thousands of tiny nomes who live under the floorboards of a large department store, there is no outside. Things like day and night, sun and rain are just daft old legends. Then a devastating piece of news shatters their existence: the Store, their whole world, is to be demolished.

The Cahill family has a secret. For five hundred years, they have guarded the 39 Clues - thirty-nine ingredients in a serum that transforms whomever takes it into the most powerful person on earth. If the serum got into the wrong hands, the disaster would rock the world. So certain Cahills have always made it their mission to keep the serum safe, buried, locked away. Until now. Thirteen-year-old Dan Cahill and his older sister, Amy, are the latest guardians of the Clues. They think they've done everything right, but a tiny mistake leads to catastrophe.

Martin Moone is 11 and completely fed up with being the only boy in a family of girls. He's desperate for a decent wingman to help him navigate his idiotic life. So when best mate Padraic suggests Martin get an imaginary friend - or IF for short - he decides to give it a go. His first attempt is Loopy Lou, a hyperactive goofball who loves writing rubbish rap songs. But Martin soon gets fed up with Lou and decides to trade in his IF for someone a little less wacky.

Nicola Berry's life is turned upside down the day a man from another planet comes to Earth on a strange mission. He's looking for somebody to travel back to his home planet and convince their stuck-up princess not to turn Earth into her planet's giant garbage dump. When Nicola is chosen as the Earthling Ambassador, she's not sure that she's up to the task. Can Nicola and her friends save the planet in time? Or will the nasty Princess Petronella cover Earth in a galactic ton of garbage?

Ollie and Celia think they know what the life of an elf is supposed to be like: Make toys. Help Santa. Make more toys. Help Santa. Try out a new ice-cream flavor. Help Santa. But then Santa rocks the North Pole with a surprise announcement! He's decided this is going to be his last year in the Big Red Suit, and, instead of letting his oldest son - the unfortunately named Klaus Claus - take over, he's opening up the job to any Claus or elf who wants to apply.

It's the 25th century, and the American President has taken over the world. Meanwhile, after a cleaner unplugged his cryogenic freezing machine by accident, Detective Inspector Capstan wakes up to find that he's been in a state of suspended animation for more than 400 years. As he's forced to adjust to life in the future, he finds himself reinstated as a policeman, and together with the great-great-great-great-grandson of his former subordinate, Sergeant Dewbush, he's put on the case of a missing cow.

Let me tell you a story. Long ago, in the frozen Arctic wastes, an alien army landed. Only now, 10,000 years later, it isn't a story. And the army is ready to attack'. New York is one of the greatest cities on 21st century Earth...But what's going on in the Museum? And is that really a Woolly Mammoth rampaging down Broadway? An ordinary day becomes a time of terror, as the Doctor and Amy meet a new and deadly enemy.

When their dog goes missing during a day trip to London, the Walker family are forced to accept that they may never see Henry again. But as the family search for their beloved pet, the reality of what has happened to Henry never even crosses their minds: Henry has been mistaken for one of the Queen's prized corgis.

The story of The Tripods was the basis of a popular BBC television series in the 1980s, where humanity has been conquered and enslaved by "the tripods", unseen alien entities that travel about in gigantic three-legged walking machines.

"You want more time Mr Brown, of course you do. We all want more time. Let me make you an offer...." Andrew Brown never has enough time. No time to call his sister, or to prepare for that important presentation at the bank where he works. The train’s late, the lift jams. If only he’d had just a little more time. And time is the business of Mr Symington and Mr Blenkinsop. They’ll lend him some - at a very reasonable rate of interest. Detecting a problem, the Doctor, Amy and Rory go undercover at the bank.