|aWhen his sister disappears, Noah, along with their best friends, Ella and Richie, sneak into the neighborhood zoo and delve into the unknown world of the animals, where they discover a great secret that the zoo is protecting.
After his sister Megan disappears, Noah and his friends follow a trail of mysterious clues that lead them to uncover a secret behind the walls of the Clarksville City Zoo--a secret that must be protected at all costs. 40,000 first printing.