The Time Warp Trio find themselves in the middle of an adventure in prehistoric times, where cave art is a form of graffiti and "rock" music takes on a whole new meaning.

Two teenagers use H. G. Wells's famous time machine to race through time and stop a dangerous enemy.

While on a field trip to New York's Museum of Natural History, Joe, Sam, and Fred travel one hundred years into the future, where they encounter robots, anti-gravity disks, and their own grandchildren.

To prevent the destruction of his planet, teenaged Rigg Sessamekesh, who can manipulate time, must assume more responsibility when he and others travel back 11,000 years to the arrival of human starships.

Sam Faulkner travels back in time to medieval Ireland, ancient Egypt and Renaissance Bruges in search of his missing father.

"He believes in science, but only magic can help his mom. Twelve-year-old Finn is used to people in his family disappearing. His twin sister, Faith, drowned when they were three years old. A few months ago, his mom abandoned him and his dad with no explanation. Finn clings to the concrete facts in his physics books--and to his best friend, Gabi--to ward off his sadness. But then his grandmother tells him a secret: the women in their family are Travelers,...

An earthquake has brought a piece of the past back to life! It's a wicked city called Tarkoom, full of sneaky bandits with a plan to upset present-day Droon. Eric, Neal, and Julie need to travel back in time to put the city in its place.

In this hilarious follow-up to Ben Franklin's in my bathroom!, history and hijinks collide once more when Eleanor Roosevelt accidentally time travels to a ten-year-old's home in 21st-century America!

When he gets a flat tire within walking distance of the hometown that he has not seen in twenty years, a man walks back into his own past.