"Father Burke tracks a vicious killer to Gideon Falls, 1886. A killer that can travel through time and space. A killer named... Norton Sinclair?" --back cover

"In this illustrated novel for middle-grade readers, Billy Stuart and his loyal Scout group get lost on a hike and inadvertently travel through time."--Provided by publisher.

Geronimo Stilton, director of "The Rodent's Gazette," travels back to prehistoric times in an effort to keep the Pirate Cats from bringing a giant Wooly Mammoth into modern-day New Mouse City.

"Booster Gold, the star of 52, is back! And now the time-traveling super-hero from tomorrow must repair the timeline of the DC Universe if he's going to earn membership in the Justice League of America! But someone sinister is exploiting the ravaged time stream, hoping to eliminate the world's greatest heroes, and only Booster Gold can stop them . . . at a terrible price!" --back cover.

"What would you do if you had a time machine? Kim decides to take a trip into the past to experience some important moments in history. Transporting herself to England and the United States during World War II, she gets tangled up in top-secret events that changed the world forever." --back cover

"Oblivious to the profound grief it has caused the Seeker, the cat continues to meander through time and space wherever its mood takes it. Occasionally evasive and consistently playful, it threatens to destroy what little control the sorcerers have over the realms, and unravel what the Seeker knew to be true of magic itself." --back cover

Geronimo Stilton is transported back in time to thirteenth-century China and attempts to stop the Pirate Cats from altering Marco Polo's book "The Travels of Marco Polo" and changing history.

Geronimo Stilton and his friends travel to Mainz, Germany, in the year 1455, to interfere with Tersilla of Catatonia and the Pirate Cats' plans to steal the type from Johannes Gutenberg's original printing press and become the first in history to use movable type.

"The internship program at the Time Museum is a little unusual. For one thing, kids as young as twelve get to apply for these prestigious summer jobs. And as for the applicant pool...well, these kids come from all over history. When Delia finds herself working at the Time Museum, the last thing she expects is to be sent on time-traveling adventures with an unlikely gang of kids from across the eons. From a cave-boy to a girl from the distant future,...