Eleven-year-old Mikey Murphy wakes to find a stranger in his room—a kid who looks exactly like him. Meeting his alien clone and his clone’s purple sister is just the start of Mikey’s adventures. Can Mikey befriend the siblings, bust into a military installation, fight expert assassins and discover an evil alien’s lair? He’ll have to if he wants to rescue his parents and save Planet Earth.

Two words change 12-year-old Hannah Stone’s life forever: Help me. That’s the first message she finds in a library book, but she quickly finds more. She notifies the police, but isn’t taken seriously. So with her best friend, Ollie, she breaks into a library, gets caught in a kidnappers’s web, and is stalked by her own dad’s hit-and-run killer, all to save a life. But will she lose her own?