The grounds are always cold, the garden out back is dead, a mysterious group of children call the property home, and there’s a rumor that Melena M. Mallory—the owner of the estate and Piper’s wealthy grandmother—is a witch.But when Piper’s father falls ill, Mallory Estate is exactly where she finds herself.The grand house and its garden hold many secrets—some of which may even save her father—and Piper will need to believe in herself, her new friends, and magic if she wants to unlock them before it’s too late.

    And impulsive Meg never imagined that tending a baby dragon would "link" her to the creature -- for life. Can a girl, a boy, and a dragon merge their magic and strength to bring down a powerful traitor in time to save the kingdom of Trelian?

    From whom? Well the CIA, naturally. But also corporate agents #5, #29, and # 207, plus two international superspies -- one of whom happens to be a chimpanzee. They all want Dr. Cheeseman and his late wife's greatest invention-a machine with unspeakable powers-OK, I'll say it. It's a time machine. But it's not working right yet, so put all ideas of time travel out of your head.Instead, please enjoy this high stakes, high action, hijinx-filled chase. And the bizarre characters our Cheeseman friends will meet as they protect not just their parents' invention, but their mother's sacred memory. It's an adventure novel like no other.Oh yeah, and did we mention the entertaining, plot-exposition filled, unsolicited advice you'll receive along the way? So you didn't ask for it? Yeah, that's why it's unsolicited.Unsolicited Advice #1: Read this book.

    This world is on the brink of war, and Gregor's arrival is no accident. A prophecy foretells that Gregor has a role to play in the Underland's uncertain future. Gregor wants no part of it -- until he realizes it's the only way to solve the mystery of his father's disappearance. Reluctantly, Gregor embarks on a dangerous adventure that will change both him and the Underland forever.

    For days they survive alone, until Fred finds a map that leads them to a ruined city, and to a secret.

    Peter will get to skip school, drive a dogsled, and finally share in his dad's adventures. But on the ice cap, Peter struggles to understand a series of visions that both frighten and entice him. Thea has never seen the sun. Her extraordinary people, suspected of witchcraft and nearly driven to extinction, have retreated to a secret world they've built deep inside the arctic ice. As Thea dreams of a path to Earth's surface, Peter's search for answers brings him ever closer to her hidden home. Rebecca Stead's fascinating debut novel is a dazzling tale of mystery, science and adventure at the top of the world.