Pathfinder by Orson Scott Card

Thirteen-year-old Rigg has a secret ability to see the paths of others' pasts, but revelations after his father's death set him on a dangerous quest that brings new threats from those who would either control his destiny or kill him.

The Reluctant Assassin by Eoin Colfer

In Victorian London, Albert Garrick, an assassin-for-hire, and his reluctant young apprentice, Riley, are transported via wormhole to modern London, where Riley teams up with a young FBI agent to stop Garrick from returning to his own time and using his newly acquired scientific knowledge and power to change the world forever.

After Eden by Helen Douglas

Eden, sixteen, must choose between helping Ryan, a time-traveler, and her best friend Connor who, according to Ryan, is about to become famous through a significant scientific discovery that will, ultimately ruin the world.

Blue Thread by Ruth Tenzer Feldman

It's 1912, and sixteen-year-old Miriam Josefsohn works passionately for women's suffrage in Oregon. Then she her grandmother's prayer shawl sends her back in time thousands of years to Canaan, where she learns of a much more ancient struggle for women's rights.

Ruby Red by Kerstin Gier

Sixteen-year-old Gwyneth discovers that she, rather than her well-prepared cousin, carries a time-travel gene, and soon she is journeying with Gideon, who shares the gift, through historical London trying to discover whom they can trust.

The Devil's Intern by Donna Hosie

Seventeen-year-old Mitchell discovers a time-travel device that will allow him to escape his internship in Hell's accounting office and return to Earth, but his plans to alter the circumstances of his own death take an unexpected turn when his three closest friends in Hell insist on accompanying him back to the land of the living.

 

The Odyssey of Flight 33 by Mark Kneece

On a routine trip from London to New York in the 1970s, Trans-Ocean flight 33 experiences mysterious acceleration and weird atmospheric phenomena that transport the passengers and crew far beyond their destination.

Infinityglass by Myra McEntire

From the moment the Hourglass group violated the rules of the space time continuum to rescue a murdered loved one, time has been in flux. People from other centuries slide into our time, intruding into our space, threatening our world. Frantically seeking a way to turn back this tide, the Hourglass begins a search for the legendary Infinityglass, tracking it to the city of New Orleans, a place where the past rests easily with the present.

Johnny and the Bomb by Terry Pratchett

Thirteen-year-old Johnny Maxwell acquires the neighborhood homeless woman's shopping cart when she is injured and discovers that its contents have the ability to send him back in time from 1996 to 1941 England.

Timeriders by Alex Scarrow

Rescued from imminent death, teens Maddy, Liam, and Sal join forces in 2001 Manhattan to correct changes in history made by other time travelers, using a "time bubble" surrounding the attack on the Twin Towers to hide their journeys.

Intertwined by Gina Showalter

Most sixteen-year-olds have friends. Aden Stone has four human souls living inside him: one can time travel, one can raise the dead, one can tell the future, and one can possess another human, and then he meets a girl who quiets the voices.

 

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