*** NEW free study guide written by the author: www.kristianagregory.com ***During spring break, college student Ariel (from #3, "The Legend of Skull Cliff"), takes the cousins and family friend Mr. Wellback, camping as her assistants. She has grant money to study wildlife with a drone. But when someone breaks into their tents and steals Claire's diary and David's sketchbook, the cousins feel they're being watched. And when a different drone hovers while they're fishing, the kids set out to investigate who is spying on them, and why?
This book is part of the Cabin Creek Mysteries Books series and is book #8 in the series.