"After eleven-year-old David Bravo wishes for a do-over of a disastrous day of middle school, he and a shapeshifting spirit guide try to right a wrong in his past"--

When time traveling students from a British magic school warn of a coming world war, Fort and his friends at the Oppenheimer magic school try to change the future without making things worse.

Jack and Annie love to explore! So when the magic tree house whisks them to ancient Egypt, they head straight for a pyramid. Inside, Jack and Annie meet a long-dead queen who needs their help solving a centuries-old riddle. If only they can find their way through the pyramid's maze!

Bobby finds himself in the territory of Cloral, a world entirely covered by water, which is nearing a huge disaster. He learns that it is up to him to help rid the area of marauders and locate the legendary lost land of Faar, which may hold the key to Cloral's survival.

When, in the process of testing his newest time machine, Professor von Volt accidently brings a triceratops, Helen of Troy, Attila the Hun, Charlemagne, and Christopher Columbus to present day New Mouse City, it is up to Geronimo and his friends to return them all to their own times and places--without being eaten by a T-Rex or skewered by Trojan warriors.

"Mason and Ty were once the very best of friends, like two nerdy sides of the same coin--until seventh grade, when Ava Petrakis came along. Now Mason can trace everything bad in his life to that terrible fight they had over the new girl. The one thing he'd give anything for is a do-over ... As a science kid, Mason knows do-overs are impossible, so he can't believe it when he wakes up from a freak accident and finds himself magically transported back...

Presents an anthology of four books from the Adventures in Odyssey series, which introduce Mark Prescott, Patti Eldridge, and the Imagination Station.

Bobby Pendragon's most recent traveling takes him to the familiar First Earth, where he and fellow Traveler Spader must stay on the tracks of Saint Dane and his new evil plot, while also dealing with the tumult of New York City in 1937.

Lunella can't wait to study the Omni-Wave Projector she found, but when it's activated during gym class, it creates a time portal, bringing forth the Devil Dinosaur, along with the evil Killer Folk, who still stop at nothing to claim the device for themselves.

Forced to abandon Princess Elizabeth when Mary ascends the English throne, Rose sews elaborate gowns for Mary's upcoming coronation before violently escalating attacks on Protestants compel her to escape into her own time.