Auggie Spinoza is a ten-year-old boy with a secret: he is a special agent who can travel through time. Now, he finds himself locked in a desperate battle against evil forces trying to change the course of history. To defeat them, Auggie must pursue a dangerous quest to find a set of mysterious clues hidden in the past.
With the help of a clever new friend and advice from a cast of famous characters with names like Jefferson, Darwin, and Plato, Auggie fights to fulfill his destiny and save his world from ruin. Along the way, he learns the importance of thinking clearly and shows the awesome power of a code-breaking, book-loving, time-traveling ten-year-old with a talent for being in the right place at the right time (and doing the right thing).