In Paris with his parents to sell family heirlooms, fourteen-year-old Greg Rich suddenly finds himself four hundred years in the past, and is aided by boys who will one day be known as "The Three Musketeers."

A modern-day girl finds herself in 1933 Cincinnati, Ohio, and as she and Kit experience life during the Great Depression, the reader is invited to choose how Kit might help her family and others who are less fortunate.

When a young Cleopatra finds a mysterious tablet that zaps her to the far future, she learns of an ancient prophecy that says she is destined to save the galaxy from the tyrannical rule of the evil Xaius Octavian. She enrolls in Yasiro Academy, a high-tech school with classes like alien languages and combat training. With help from her teacher Khensu and new friends, Cleo learns what it takes to be a great leader-all while trying to figure out how...

Owen is trapped in a time travel plot-your-own-adventure book, controlled by the reader, and a bizarre fellow prisoner, Kara Dox, might be his only hope for escaping to save Bethany.

Meg and Charles Wallace Murry, along with their friend Calvin O'Keefe, set off on a series of adventures in which they try to rescue Meg and Charles Wallace's father from the Dark Thing, travel inside Charles Wallace's body, and stop a nuclear war.

The reader follows Waldo as he travels through different time periods in history and must try to find him in the illustrations of some of the crowded events in which he participates.

As they are about to go on stage, Joe, Fred, and Sam are transported back to the time of Zeus and the other gods in Greek mythology, who, strangely enough, behave much as the characters in the trio's class play.

The second adventure of The Umbrella Academy is an epic story that will transform history without changing anything at all in a journey through time, space, and Vietnam, climaxing with the assassination of JFK. Following the near apocalypse created by one of their own and the death of their beloved mentor Pogo, the team is despondent, but when it's time for another catastrophic event to rouse the team into action, each member of the team is distracted...

After a dumpster fire of a Valentine's Day, Emilie Hornby escapes to her grandmother;s house for some comfort. She passes out on the couch, but when she wakes up, she's back home in her own bed-- and it's Valentine's Day all over again. And the next day. And the next. Emilie is stuck in some sort of time loop nightmare: re-watching her boyfriend, Josh, cheat on her day after day. And she keeps running into Nick-- sometimes literally-- in unfortunate...

An assassin known as a "Looper" discovers that he must kill his future self sent back 30 years in time by mobsters.