The Time Guardians

In The Time Guardians: The Secret of the Chronos Cave, twelve-year-olds Juno, Max, Ren, and Harper stumble upon an ancient device that transports them back to Ancient Egypt, where they encounter a civilization building the Great Pyramid. As they navigate this unfamiliar world, they must work together to stop a mysterious organization from altering history in ways that could threaten their future—and possibly their very existence. This first installment in the Time Guardians series highlights the adventures of ordinary kids discovering extraordinary responsibilities across time.