"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...

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.

"Miss Z, a mysterious billionaire and a collector of rare photographs, is sending her four recruits back in time on a mission to capture, for the first time, one of the most important moments in American history--Abraham Lincoln giving his famous Gettysburg address"--

"When a pack of senior dogs find themselves transported back in time--and turned into puppies!--they must make their way back home, helping real-life historical dogs along the way. In this first adventure, meet Baxter, Trevor, Newton, Titch, and Maia--the time dogs!--as they find themselves transported through time and space to 1925 Alaska. There, deep in the wilderness, the puppies must help Balto in his famous sled race to deliver medicine during...

"Their mom is the newly elected President of the United States, the Secret Service is always hovering nearby, and First Daughters Marissa and Clara don't expect they'll be venturing out anytime soon--until they discover a secret passage in the White House dining room and a candlelit clubhouse full of antique curiosities and mysterious doors. The candle blows out, a door opens, and the girls find themselves in the White House of President Teddy Roosevelt...

In this third adventure, the Time Dogs--Baxter, Trevor, Newton, Maia, and Titch--find themselves transported back to the year 1800 to the Swiss Alps. There they meet Barry, a famous Great Saint Bernard rescue dog who saved many lives during his service in the mountain rescue program. Together, the Time Dogs and Barry help rescue a boy trapped in a storm.

"Life used to be great for Rose: full of friends, a loving mom, and a growing fashion blog. But when her mother dies in a car crash, Rose is sent away to live with a strange grandmother she hardly knows and forced to attend a new school where mean girls ridicule her at every turn. The one place Rose finds refuge is in her grandmother's Tudor-style greenhouse. But one night, she sees a strange light glowing from within it. She climbs a ladder to investigate......

When a spaceship carrying Neil Armstrong accidentally time travels to 1869 Texas, cowboy Nat Love decides to trade in his horse for a trip to the Moon, and step-siblings Abby and Doc must untwist history and get everyone back to their own time.

"Join Patrick and Beth as they unravel the mysteries of the Imagination Station. The cousins travel to 1923 New York City, the home of Nikola Tesla, a quirky inventor. He has the knowledge to fix the damaged Imgination Stations. But can they get his help while keepig the machines' purpose a secret? Or will Tesla figure out how to alter time and change history? Meanwhile Patrick discovers an old friend - Eugene Meltsner - who has startling secrets...