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.

After returning the missing children from history to their original time periods, thirteen-year-old Jonah must save time itself when aviator Charles Lindbergh mysteriously appears and kidnaps Jonah's sister.

Johnny Dixon and Professor Childermass discover a trolley which transports them back to Constantinople in 1453 as the Turks are invading the Byzantine Empire.

In 1995 Evanston, Illinois, sixteen-year-old Anna's perfectly normal life is turned upside-down when she meets Bennett, whose ability to travel through space and time creates complications for them both.

Accompanied by her loyal friend Germ, twelve-year-old Rosie Oaks travels through time and space in a magical whale as she sets out to save her brother and fulfill her destiny to find and vanquish the remaining Thirteen Witches.

As her mother prepares to be a contestant on the 1980s television game show, 'The $20,000 Pyramid,' a twelve-year-old New York City girl tries to make sense of a series of mysterious notes received from an anonymous source that seems to defy the laws of time and space.

Finn and his friends travel to the Subatomic, a microscopic world where Finn hopes to find his father and defeat the Plague once and for all.

Fourteen-year-old Jason Walker is transported to a strange world called Lyrian, where he joins Rachel, who was also drawn there from our world, and a few rebels, to piece together the Word that can destroy the malicious wizard emperor, Surroth.

Sixteen-year-old Alaric discovers how to travel to an alternate reality, where his mother is alive and his place in the family is held by a girl named Naia.

In the second book in the Books of Beginning Trilogy, Michael and Emma must track down the Chronicle of Life, while Kate must find a way back to present day from the year 1899.