"In New York Times bestselling author Dan Gutman's all-new series, which blends fascinating real history with an action-packed adventure, four very different kids are picked by a mysterious billionaire to travel through time and photograph some of history's most important events. This time, Luke, Julia, David, and Isabel are headed to the deck of the doomed Titanic. Their mission? Capture a shot of the sinking ship, then come right back. The only...

Ethan Cheeseman takes his children, ages eight, twelve, and fourteen, and Captain Jibby and crew, to the year 1668 to end an ancient family curse and save the children's mother, but damage to the time machine and the arrival of Mr. 5 complicate their return.

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.

Two very hungry dinosaurs discover a time machine and are instantly transported to America in 2018, where they are delighted to find themselves surrounded by food (including pizza and doughnuts), but soon less excited to find themselves surrounded by policemen with guns--so they escape to the time machine, not knowing where it will take them next.

After purchasing a time machine at a garage sale for three dollars, Liam uses it to summon Thomas Edison for help with his book report, but when a different Thomas Edison from the 1930s arrives, hilarity ensues.

Chitty rescues the Tooting family from a hungry T. rex and takes the family on a tour of early New York among other places.

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

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.

"As far as twelve-year-old McKinley O'Dair is concerned, the best thing about living in Gap Bend, Pennsylvania, is the Time Hop--the giant party the town throws every June to celebrate a single year in history. That one day is enough to make the few things that aren't so fantastic about McKinley's life--like her crabby homeroom teacher or her super-scheduled father--worth suffering through. And when McKinley learns that this year's theme is 1993,...

"George and Harold are behind bars for a crime they didn't commit! But just as they are settling into their new life, they are pulled from prison by a time-traveling tyrant named Tippy Tinkletrousers! Now the boys are taking a trip back in time to the carefree days of kindergarten, when the scariest thing they had to face was not evil mad scientists or alien cafeteria ladies but a sixth-grade bully named Kipper Krupp, the nephew of their clueless...