In the war-ravaged England of 1940, Lottie Bromley and her best friend Kitty McLaughlin are inseparable. Theyt read their favorite books, they play imaginary games, and they promise to stick together, no matter what the future may bring. But that future is more uncertain than they could imagine, as Lottie's scientist father has unearthed a staggering truth: time travel is real. And when this discovery attracts the attention of cruel forces, throwing...

Albert Garrick, an assassin-for-hire, and his reluctant young apprentice, Riley, are transported via wormhole from Victorian London 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.

When Pendragon finds himself in the war-stricken territory of Cloral, he and his uncle take it upon themselves to rid the area of marauders and locate the legendary lost land of Faar, which may hold the key to Cloral's survival.

"The future has been saved, but at a cost: Fort Fitzgerald has been expelled from the Oppenheimer School, and some of Fort's friends have been lost in time. But time is the one thing Fort, Rachel, and Jia don't have, as they'll soon be facing one of the eternal Old Ones, the Timeless One, for the fate of the world. If they lose, the Old Ones will return, and humanity is doomed. If they win, the Old Ones will still return, and humanity is doomed. Because...

"With the defeat of the Overtakers behind them, the five teenagers known as the Kingdom Keepers should be celebrating. By all accounts they saved Disneyland from certain destruction. Why then did their mentor leave one last puzzle for them to decipher? The Keepers must solve a puzzle of the past, or be crushed under an evil that makes the Overtakers seem like gentle souls"--

FBI agent Chevie Savano escapes into the past to elude the secret police after they kill Charles Smart just as he is telling her of the WARP program, and she and Riley team up to find Colonel Clayton Box before he can launch missles at the capitals of Europe.

This time Ranger, the time-travelling Golden retriever finds himself transported to the deck of the USS Arizona on December 7, 1941, where he rescues the young sailor Ben Hansen who is badly burned when the ship explodes--and there is a Japanese-American boy and girl in a rowboat who also need his help to find their father amid the chaos of the attack.

Ethan Cheeseman takes his children, ages eight, twelve, and fourteen, and Captain Jibby and crew, to the year 1668 to end an ancient family curse and save the children's mother, but damage to the time machine and the arrival of Mr. 5 complicate their return.

Substitute middle-school history teacher Rush Revere takes his students back in time to experience American history as it happens aboard the Mayflower and on Plymouth Plantation.

Three students, Mel, Bev, and Brandon, left behind at their prestigious school during Christmas break, find themselves in 1776 New Jersey with General George Washington dead at their feet, and twelve-year-old Mel must find a way, using his iPhone, to setthings right.