National Park Mystery Series: Quest in Yosemite National Park, Book 5

Jake Evans and his friends Wes and Amber head into the wild of Yosemite National Park on a high-stakes quest. When Jake’s grandfather leaves behind a set of unseen codes, maps, and riddles tied to a centuries-old mystery, the trio sets off into rugged terrain—climbing peaks, descending into depths, and discovering that they’re not the only ones chasing answers.