"Two time-traveling agents from warring futures, working their way through the past, begin to exchange letters—and fall in love in this thrilling and romantic book from award-winning authors Amal El-Mohtar and Max Gladstone. Among the ashes of a dying world, an agent of the Commandant finds a letter. It reads: Burn before reading. Thus begins an unlikely correspondence between two rival agents hellbent on securing the best possible future for...

"A group of time-traveling teens races through history to try to stop time and the multiverse from unraveling"--

From UK bestselling author Gillian McAllister comes an astonishing, compulsively twisty psychological thriller about a mother who witnesses her teenage son stab a man and then seizes on an unconventional way to try to save him. Can you stop a murder after it's already happened? Late October. After midnight. You're waiting up for your seventeen-year-old son. He's late. As you watch from the window, he emerges, and you realize he isn't alone: he's walking...

Connie Willis draws upon her understanding of the universalities of human nature to explore the ageless issues of evil, suffering, and the indomitable will of the human spirit.

“A tour de force.”—The New York Times Book Review
For Kivrin, preparing to travel back in time to study one of the deadliest eras in humanity’s history was as simple as receiving inoculations against the diseases of the...

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.

Passionately in love, Clare and Henry vow to hold onto each other and their marriage as they struggle with the effects of Chrono-Displacement Disorder, a condition that casts Henry involuntarily into the world of time travel.

Brandon experiences his reality unraveling when he begins losing chunks of time and finding himself in an apartment he doesn't recognize, and starts to suspect his new employers have discovered time travel and are covering up violent crimes.

Ash has the ability to time travel and meets up with Dorothy from 1913 who is trying to escape an arranged marriage, as they find themselves in a future world of violence and chaos, with Dorothy holding the key that could change the past.

The magic tree house carries Jack and Annie to New York City in 1938 on a mission to rescue the last unicorn. In this exciting new Merlin Mission, Jack and Annie go back in time to New York City, during one of the darkest periods in the city's history--the Great Depression. Even worse, the city is in the grip of a terrible snowstorm. To stop the blizzard, Jack and Annie must save the unicorn made famous in the Cloister's medieval tapestries. But will...

"Nia Imani is a woman out of place and outside of time. Decades of travel through the stars are condensed into mere months for her, though the years continue to march steadily onward for everyone she has ever known. Her friends and lovers have aged past her, and all she has left is work. Alone and adrift, she lives for only the next paycheck, until the day she meets a mysterious boy, fallen from the sky. A boy, broken by his past. The scarred child...