The Mongol Ascension - A Jump in Time Novel, Book Three

MISSION: SAVE THE WORLDDESTINATION: ANCIENT MONGOLIASeventeen-year-old Dan Renfrew's life is anything but ordinary. In addition to facing the usual teenage challenges, he has a secret. He's a time jumper, a member of a clandestine group tasked with fixing glitches in history. When rogue jumpers threaten global chaos, Dan and his partner Sam embark on a perilous mission to Mongolia in the year 1179. There they encounter a brave teen fighting to save his kidnapped wife. They soon realize they're in a desperate race against time to save the Mongol Empire--and the future of the entire world.