The Impossible Postal Express is no ordinary train. It's a troll-operated delivery service that runs everywhere from ocean-bottom shipwrecks to Trollville and to space. But when this impossible train comes roaring through Suzy's living room, her world turns upside down. After sneaking on board, Suzy suddenly finds herself deputy post master aboard the train and faced with her first delivery - to the evil Lady Crepuscula. Then, the package itself begs Suzy not to deliver him.

Matt Cruse is a cabin boy on the Aurora, a huge airship that sails hundreds of feet above the ocean. One night he meets a dying balloonist who speaks of beautiful creatures drifting through the skies. It is only after Matt meets the balloonist's granddaughter that he realizes that the man's ravings may, in fact, have been true, and that the creatures are completely real and utterly mysterious.

In 1851 a mysterious visitor to Art Mumby's space home has plans for a calamity that will destroy not only the entire British Empire, but also the known universe. Can disaster be prevented with help from Art's irritating sister Myrtle, a few exotic space creatures, and an extraterrestrial pirate?

Somewhere on the frontier between thought and reality exists the Discworld, a parallel time and place that might sound and smell very much like our own, but which looks completely different. Particularly as it’s carried though space on the back of a giant turtle (sex unknown). It plays by different rules. But then, some things are the same everywhere. The Disc’s very existence is about to be threatened by a strange new blight: the world’s first tourist, upon whose survival rests the peace and prosperity of the land.

It's wintertime at Greenglass House. The creaky smuggler's inn is always quiet during this season, and 12-year-old Milo, the innkeepers' adopted son, plans to spend his holidays relaxing. But on the first icy night of vacation, out of nowhere, the guest bell rings. Then rings again. And again. Soon Milo's home is bursting with odd, secretive guests, each one bearing a strange story that is somehow connected to the rambling old house.

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!

The Industrial Revolution has escalated into all-out warfare. Sixteen years have passed since the Heterodyne Boys, benevolent adventurers and inventors, disappeared under mysterious circumstances. Today, Europe is ruled by the Sparks, dynasties of mad scientists ruling over - and terrorizing - the hapless population with their bizarre inventions and unchecked power, while the downtrodden dream of the Heterodynes’ return. At Transylvania Polygnostic University, a pretty, young student named Agatha Clay seems to have nothing but bad luck.

Joe Spork repairs clocks, a far cry from his late father, a flashy London gangster. But when Joe fixes one particularly unusual device, his life is suddenly upended. Joe's client, Edie Banister, is more than just a kindly old lady - she's a former superspy. And the device? It's a 1950s doomsday machine. And having triggered it, Joe now faces the wrath of both the government and a diabolical South Asian dictator, Edie's old arch-nemesis.

Liesl lives in a tiny attic bedroom, locked away by her cruel stepmother. Her only friends are the shadows and the mice - until one night a ghost appears from the darkness. It is Po, who comes from the Other Side. Both Liesl and Po are lonely, but together they are less alone. That same night, an alchemist's apprentice, Will, bungles an important delivery. He accidentally switches a box containing the most powerful magic in the world with one containing something decidedly less remarkable. Will's mistake has tremendous consequences for Liesl and Po....

Thirteen-year-old Falcon Quinn and his neighbors, Max and Megan, board bus number 13 for school on an ordinary day in Cold River, Maine. Only the bus doesn't take its ordinary route, and Falcon and his friends soon find themselves in an extraordinary place on Shadow Island, at the Academy for Monsters. With a student body stranger than the cast of any monster movie Falcon has ever seen, the academy is home to creatures and oddities of all kinds.

A team of unlikely friends - an orphaned street musician, a hard-working girl from the tenements, and a talented clockmaker's apprentice - discover that together they can overcome even the darkest of fears.

Imagine an alternate universe where romance and technology reign. Where tinkerers and dreamers craft and recraft a world of automatons, ornate clockworks, calculating machines, and other marvels that. Where scientists and schoolgirls, fair folk and Romans, intergalactic bandits, and intrepid orphans - decked out in corsets, clockwerk suits, and tall black boots - solve dastardly crimes, escape from monstrous predicaments, consult oracles, and hover over volcanoes in steam-powered airships.

Cat doesn't mind living in the shadow of his sister, Gwendolen, the most promising young witch ever seen on Coven Street. But trouble starts brewing the moment the two orphans are summoned to live in Chrestomanci Castle. Frustrated that the witches of the castle refuse to acknowledge her talents, Gwendolen conjures up a scheme that could throw whole worlds out of whack.

Once upon a time - long, long ago, when dinosaurs roamed the Earth - an egg rolled away from its mother and landed in the ocean, where it froze solid and stayed peacefully for thousands of years. Then one day, Santa and his elves discover the frozen egg, and Santa sits on it to see if it will hatch. But he can't guess what's inside: a dinosaur! Meanwhile, a young boy named William Trundle has only ever wished for one thing for Christmas: a dinosaur! So when Santa accidentally gives William the real Christmasaurus instead of a stuffed replica, it's the best Christmas ever!

For nearly a century, Victorian London relied on “climbing boys” - orphans owned by chimney sweeps - to clean flues and protect homes from fire. The work was hard, thankless, and brutally dangerous. Eleven-year-old Nan Sparrow is quite possibly the best climber who ever lived - and a girl. But when Nan gets stuck in a deadly chimney fire, she fears her time has come. Instead, she wakes to find herself in an abandoned attic. And she is not alone. Huddled in the corner is a mysterious creature - a golem - made from ash and coal. This is the creature that saved her from the fire.