If you like good ol' fashion action adventure stories without the gore, senseless violence, foul mouthed characters, and without crude sexual activities, then Zero Is The Key is a story for you. If you like to learn new things while being fully entertained, you will enjoy this tale. Dive into this story of mystery, suspense, thrills, exotic locations, sci-fi, paranormal, and of quirky characters that will take you on a timeless, classical adventure. As the sun set, they noticed it. On a crisp, California autumn night, the teens discover a sinkhole which leaves them with strange powers they cannot possibly explain. But when they realize their lives are in grave danger, the eighth graders embark upon an epic quest to investigate the source and purpose of their powers. Guided by cryptic riddles and clues from a mysterious group of people, the twins travel to mesmerizing sites throughout Europe, Asia, and the Americas to find answers. During their journeys, ancient secrets about the origin and plight of the human race unfold before them, secrets that will forever change their lives. Meanwhile, another more sinister group is hunting the twins to obtain their powers at all cost.