After being kidnapped by Mr. Chu, Atticus "Tick" Higginbottom and his friends Paul and Sofia must survive a series of tests in several different Realities.

Candy Quackenbush of Chickentown, Minnesota, one day finds herself on the edge of a foreign world that is populated by strange creatures, and her life is forever changed.

When someone uses futuristic technology to play pranks on twelve-year-old Dorso Clayman, he and his best friend set off on a supposedly impossible journey through space and time trying to stop the gamesters who are endangering the universe.

"Lucy Usthorn of Fort Worth, Texas, is super excited for her class trip to the Natural History Museum. Sure, Ms. Brock, the strict school librarian who happens to be dating Lucy's dad (awkward) is chaperoning. But it'll still be the best day, right? Wrong! Lucy watches in shock and humiliation as her dad proposes to Ms. Brock. Lucy is distraught. If only she could do this day over from scratch... Enter the magic bracelet. It arrives in the mail, with...

Hannah resents stories of her Jewish heritage and of the past until, when opening the door during a Passover Seder, she finds herself in Poland during World War II where she experiences the horrors of a concentration camp, and learns why she-- and we--need to remember the past.

While Pendragon is trapped on Ibara, Alder returns to Denduron and reluctantly goes into battle again, and other Travelers face obstacles of various sorts as Saint Dane gains the power he seeks on Second Earth and makes his push to destroy and rebuild Halla.

In 1940, when Delphi Keep's taken over by the Royal Navy as a communications outpost, Ian, Theo, and Carl dread being evacuated to the earl's winter residence where they'll no longer be protected, but are even more concerned about deciphering the third prophecy and identifying the Secret Keeper.

With the aid of Bartleby, an enormous Tower of London guard known as a Beefeater, Nathan travels through time to stop his father from changing the past.

Tolly comes to live with his great-grandmother at the ancient house of Green Knowe and becomes friends with three children who lived there in the seventeenth century.

Meg and Charles Wallace Murry, along with their friend Calvin O'Keefe, set off on a series of adventures in which they try to rescue Meg and Charles Wallace's father from the Dark Thing, travel inside Charles Wallace's body, and stop a nuclear war.