While visiting her cousins one summer Patricia discovers an old watch hidden under a floorboard. When she winds it, she is taken back in time to the summer when her own mother was twelve.

When he finds an egg-shaped object with which he travels back and forth in time, 11-year-old Tycho grapples with several futures he sees for himself and his family.

Bisesa Dutt tries to discover why she was returned to Earth in the year 2037 by the Firstborn amidst the turmoil of an approaching apocalypse.

In his ongoing battle to save Earth and its parallel worlds from the demon Saint Dane, fifteen-year-old Bobby Pendragon travels to Veelox, a world whose inhabitants have abandoned their real lives in favor of virtual reality.

Seventeen-year-old Sky joins Georgia and the other Stravagante when he leaves London for Giglia, a city similar to renaissance Florence, and becomes involved in ancient feuds and palace intrigue.

Twelve-year-old George Chapman and his friend Edie, the only humans who did not disappear from London when time froze, move toward a final confrontation with the Walker, a murderous immortal that has aligned itself with the forces of evil in the battle between the city's statues and gargoyles.

After learning that he has been sent from the future for a special purpose, eighteen-year-old Jack receives help from an unusual dog and a shape-shifting female fighter.

Twelve-year-old William uses the magic token to return, through the toy castle in his attic, to the medieval land of Sir Simon, which is now menaced by a skeleton ship bearing a plague of ravenous rats.

Becker Drane, a fixer, is sent into the Department of Time after a bomb exploded, but the damage is so great that Becker begins to question his abilities, as well as his faith in The Seems ; the company responsible for building the world.

Thomas Quicksilver, a seventeen-year-old boy who has long been an outsider due to his mother's craziness and his scars from a childhood fire, returns to the alternate world of his birth in an effort to save his mother's life, and is seduced by his restored good looks and the promise of a very different life.