"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...

From the publishers of "Spirit Animals" and "The 39 Clues" and the mind of James Dashner, #1 "New York Times" bestselling author of "The Maze Runner." Action, humor, and real history collide in the "Infinity Ring" series! Sera has a secret. She's seen the future, and it is a terrifying place. Unfortunately, she can't do anything to prevent the Cataclysm while stranded with Dak and Riq thousands of years in the past. Their only hope lies with the...

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

"The magic tree house whisks Jack and Annie to Africa where they must use magic to save a rhino and her baby from poachers"--

Twelve-year-old Nick McIver tries to help his father and sister send vital information to England about imminent Nazi invasion, until he finds himself transported through time to help his ancestor stop a mutinous captain who is aiding the French fleet and endangering British sailors.

In Rome during the time of Vespasian, time travelers Dawkins and Hypatia Faraday join up with Pliny the Elder who is researching dragons for his natural history encyclopedia, which seems like a harmless activity until a real fire-breathing dragon attacks them.

Living in the twenty-fifth century, young Dawkins and Hypatia Faraday take time travel and technology like the NeuroNet for granted but in Prague in 1648, they are startled to find a rogue alchemist who is using advanced technology to change mercury into gold.

Ranger the time-travelling Golden retriever and young Isaac Pope come together in 1776 during Washington's retreat after the Battle of Long Island, and Ranger stays with Isaac while he slowly recovers from Smallpox--but Ranger's real mission comes later when Isaac is sent to spy out the Hessian troops' intentions before the Battle of Trenton.

Ranger, a golden retriever, could have been a great search-and-rescue-dog except for the squirrels--but one day he unearths a mysterious box and finds himself transported back to the year 1850 where his faithful service is really needed by a family traveling west along the Oregon Trail.

This time Ranger, the time-traveling Golden retriever, finds himself in San Francisco in the middle of the great 1906 earthquake, and his mission is obviously to get a young Chinese immigrant, Lily Chen, to safety, but as they make their way through the ruined and burning city Ranger finds that he must also accomplish something else--finding Lily, who was sold as a servant by her parents, a new family who will care for her.