End of Earth Series

Drafted into a world war that no country can win, young Jason is forced to witness the worst of humanity as everyone around him dies before he is thrown back in time by an explosion that kills him. Seemingly trapped in his childhood with memories of a hopeless future haunting him, can Jason find a way to stop the war and save millions of lives if no one believes him? See firsthand how trauma changes a person, and how quickly a good person can become a violent killer. This is Jason's story.

Jason figured it out, but not in time to change the future. He must pass his notes and the task of stopping World War III on to Angel. Once drafted into the military together in a parallel universe, the two are now friends in juvenile detention lockup before they meet in bootcamp. Angel only knows the poor, abused life he's had so far, but the time machine his dying friend wants him to build from his notebooks could change all of that.