"When Melisande Stokes, an expert in linguistics and languages, accidentally meets military intelligence operator Tristan Lyons in a hallway at Harvard University, it is the beginning of a chain of events that will alter their lives and human history itself. The young man from a shadowy government entity approaches Mel, a low-level faculty member, with an incredible offer. The only condition: she must sign a nondisclosure agreement in return for the...

Pulled through a glass that brings him back in time, Septimus Heap becomes the apprentice of an alchemist.

When Kit Livingstone learns that Britain's "ley lines" are not legends but pathways to other worlds, he's determined to find a map tattooed on a piece of skin in order to travel to the dangerous realms. But are the intricate codes more than they seem--can they really begin a quest to regain paradise?

In their magic treehouse, Jack and Annie are again transported to King Arthur's realm, where invisible beings, giant ravens, and mistaken magic spells have a duke's castle in an uproar on Halloween night

In 1844 Ireland, Liam O'Connor, a rogue and a thief, fell madly in love with Cora McLeod and unwittingly altered the future. Shy and naive Cora thought Liam was the answer to her prayers. The angels disagreed. In the present day, Liam finds himself in Providence Falls, North Carolina, with the task of making sure Cora falls in love with another man. But this Cora is an independent, confident cop. She doesn't remember Liam or their past lives, nor...

Jack and Annie travel back to Victorian London when Merlin asks them to use their magic to inspire Charles Dickens to write "A Christmas Carol."

"One brilliant June day when Mia Jacob can no longer see a way to survive, the power of words saves her. The Scarlet Letter was written almost two hundred years earlier, but it seems to tell the story of Mia's mother, Ivy, and their life inside the Community -- an oppressive cult in western Massachusetts where contact with the outside world is forbidden, and books are considered evil. But how could this be? How could Nathaniel Hawthorne have so perfectly...

When eight-year-old Jack and his seven-year-old sister, Annie, join a group of nineteenth-century explorers aboard the H.M.S. Challenger, they learn about the ocean, solve the mystery of its fabled sea monster, and gain compassion for their fellow creatures

Trapped in a world where magic is powerful and dreams are real, Cole Randolph can barely remember what life was like back in Arizona. Now he and his friends are pushed to the limit as they make one final attempt to restore magic to the Outskirts. They must travel to the kingdom of Creon, where time itself can be manipulated and reality can bend and change. It's the last mission-- and the past, present and future are all at stake.

Jack and Annie are transported by their magic tree house to the time of the Civil War where they meet Clara Barton.