Chronomega

Seven years after vanishing from her home, a young woman returns with mysterious new abilities and recruits five strangers for a secret mission.

Jason Dessen is abducted into an alternate version of his life. To get back to his true family, he embarks on a harrowing journey to save them from the most terrifying foe imaginable: himself.

A freak accident during an experimental space mission catapults Astronaut John Crichton across a thousand galaxies to an alien battlefield.

Four teenage boys get lost in the forest and discover, when they return home, that they are in an alternate world identical to theirs except for one startling difference - they were never born.