Meg Murry and her friends become involved with unearthly strangers and a search for Meg's father, who has disappeared while engaged in secret work for the government.

Artemis's fairy friends help him travel back in time to find a cure for his mother's rare disease which can only be cured by the brain fluid of now-extinct African lemurs, and is shocked to discover that it was actually his younger self who was responsible for bringing about the animal's extinction.

When ten-year-old Nolan and his little sister, Olive, find Ben Franklin in their kitchen, they do their best to guide Ben through the new world he helped form.

What if you, as a girl trying to adjust to her new stepfamily, suddenly found yourself in Samantha's world at the start of the 20th century? Join Samantha on adventures and take whatever twists and turns you choose, as you select from a variety of options in this multi-ending story.

"When thirteen-year-old Margaret's father is sentenced to death for a crime he didn't commit, she knows the only way to save him is to use the forbidden family power of time travel"--Provided by publisher.

When thirteen-year-olds Jonah and Chip, who are both adopted, learn they were discovered on a plane that appeared out of nowhere, full of babies with no adults on board, they realize that they have uncovered a mystery involving time travel and two opposing forces, each trying to repair the fabric of time.

Pulled through a glass that brings him back in time, Septimus Heap becomes the apprentice of an alchemist.

In one devastating night, violin prodigy Etta Spencer loses everything she knows and loves. Thrust into an unfamiliar world by a stranger with a dangerous agenda, Etta is certain of only one thing: she has traveled not just miles, but years from home. And she's inherited a legacy she knows nothing about from a family whose existence she's never heard of. Until now. Nicholas Carter is content with his life at sea, free from the Ironwoods-a powerful...

George and Harold are forced to contemplate a world without Captain Underpants.

The magic treehouse takes Jack and Annie back two thousand years to ancient China where they must find the original copy of an old legend before the Imperial Library is burned down by the evil Dragon King.