Avery and Evan visit the Savannah National Wildlife Refuge—home to HUMONGOUS ALLIGATORS!— "stacked like cordwood!" When the kids overhear rumors of "gator poaching," they are determined to help find the culprits. "We gotta protect wildlife!" Clues set in motion a wild adventure filled with science, high-tech gear, and fun! "This is a mystery you can really sink your TEETH into!" Before they know it, the kids are mixed up in an adventurous mystery where clues require them to use their best science, technology, engineering and math skills to find the answers! Mystery books have always been a great higher-order, critical –thinking genre, and the "real Kid characters" in this series eagerly get into using high-demand Science, Technology, Engineering, and Math (STEM) skills to solve each mystery!