Kategoria BISAC: Young Adult Fiction >> Science Fiction - Time Travel

Life on Mars isn't all it's cracked up to be when you're Isaak Contreras. Ever since his dad disappeared two years ago, Isaak's been struggling to keep up in school, and he never seems to be able to live up to his mom's high expectations. But everything changes when he finds an ancient coin among his missing father's possessions. The coin makes him a target of both the Martian colonial government and a crazed scientist with a vendetta--and it leads him to a girl from another time named Nadin, who believes that Isaak might just hold the key to saving both their worlds. That is, if they can...

Being stuck in the past takes on a whole new meaning...

What if your worst enemy sent you on a one-way ticket to the past? Worse, later he shows up and tries to play match-maker with a dominant historical figure while all of history and the future are on the line? Survival is just one problem, but then add your friends into the mix...

Following an intense battle between the Indians and the Crackedskulls, Neiko and her comrades enjoy victory while her enemies suffer a crushing defeat. Victory is short lived for Neiko when Francesco...

Julie Cross's Vortex is the thrilling second installment of the Tempest series, in which the world hangs in the balance as a lovelorn Jackson must choose who to save

Jackson Meyer has thrown himself into his role as an agent for Tempest, the shadowy division of the CIA that handles all time-travel-related threats. Despite his heartbreak at losing the love of his life, Jackson has proved himself to be an excellent agent. However, after an accidental run in with Holly--the girl he altered history to save--Jackson is once again reminded of what he's lost....