"Rumored to be a witch, Nora Walker attempts to uncover the truth about a boy she discovers in the woods who went missing weeks ago during a brutal winter storm, only to learn that he wasn't the only one to go missing all those weeks ago"--

Eight-year-old Jack and his younger sister Annie find a magic treehouse, which whisks them back to an ancient time zone where they see live dinosaurs.

Time has gone wrong, and best friends Dak Smyth and Sera Froste, together with the young Hystorian Riq, must use the infinity ring to travel back to one of the Great Breaks--a mutiny on the Santa María--to correct history and defeat the SQ.

George and Harold are forced to contemplate a world without Captain Underpants.

Mira receives a postcard from her missing mother from Paris and she and her father travel to France to search for her, but while visiting Notre Dame, Mira touches a gargoyle and is whirled into the past, where she meets the famous painter Degas and catches a brief, shocking glimpse of her mother.

Sibling ninjas Kai and Nya battle the evil Time Twins.

Cousins Beth and Patrick work with detective Allan Pinkerton to prevent a plot to kill Abraham Lincoln before his inauguration.

When the three members of the Bad Guy Brotherhood buy a time machine to keep the younger Melvin from gaining his superhero powers, Melvin and his sidekick Candace, disguised as pirates, travel back in time to stop them.

The mysterious box that Ranger the golden retriever found in the garden transports him back to first century Rome, where he must rescue Marcus, a young servant boy, and Quintus, a volunteer gladiator, from the brutal world of the Colosseum.

In this multiple-ending story, the reader is magically transported to a 1945 summer camp and must choose how their time is to be spent there with Molly, whether it be hiking, saving a dog, or anyone of the other many possible adventures.