Mutiny in Time

History is broken, and three kids must travel back in time to set it right! When best friends Dak Smyth and Sera Froste stumble upon a secret of time travel - a hand-held device known as the Infinity Ring - they're swept up in a centuries-long secret war for the fate of mankind. Recruited by the Hystorians, a secret society that dates back to Aristotle, the kids learn that...