After his parents are kidnapped, timid twelve-year-old Henry York leaves his sheltered Boston life and moves to small-town Kansas, where he and his cousin Henrietta discover and explore hidden doors in his attic room that seem to open onto other worlds.

"Jack and Annie travel in their Magic Tree House back to a Hawaiian island of long ago where they make friends, learn how to surf, and encounter a tsunami"--

At nearly fifteen years of age, Joey Harker learns that he is a Walker, able to travel between dimensions, and soon joins a team of different versions of himself, each from another dimension, to fight the evil forces striving to conquer all the worlds.

After a mysterious cameo from Charles Lindbergh, it's up to Jonah to save his town in the seventh book of the bestselling The Missing series. It's morning as usual at the Skidmore household-until Charles Lindbergh, the famous historical pilot, appears in their living room. Jonah can hardly believe his eyes-and then Lindbergh grabs Katherine and vanishes again. And that's not all. Chip, Andrea, and all the other children from the plane have disappeared...

Seventh grader Noah tries to avoid the worst day ever and help his future self win his eighth grade class election using time travel.

When Olive Dunwoody takes her friends trick-or-treating, they're in for a shock--and being follwoed by an ominous creature is only the beginning. Strangers have come to Linden Street, and they seem awfully interested in Olive's house and in portals to Elsewhere. Can Olive trust them? -- from publisher.

After moving with her parents to Iowa, twelve-year-old Lucy discovers a mysterious notebook that can bring stories to life and which has a link to the 1914 disappearance of her great uncle.

While picking up milk for his children's cereal, a father is abducted by aliens and finds himself on a wild adventure through time and space.

Eleven-year-old Olive finds herself drawn to the grimoire of the witches who built her house and tries to use its spells to uncover the house's magic and control the cats themselves, but the book is more wicked than it seems.

Twelve-year-old Nat, with help from family, friends, and his "pet" Woody, a wolf that turns into a boy, must face werewolves that have been altered as part of a dastardly plan.