From the dizzying heights of Angels Landing to the mysterious depths of The Narrows, this fourth book in the bestselling series follows Jake, Amber, and Wes on a perilous quest in Zion National Park. Ages 7 to 14 - Illustrated by the Author - An Edge-of-Your-Seat Page-Turner While camping in Zion National Park, Jake Evans and his friends uncover a new set of cryptic clues hidden in his grandfather's scrapbook. Battling unpredictable weather, unforeseen challenges, and an elusive adversary, the three friends are forced to rely on their problem-solving skills, the power of their growing friendship, and the courage to do the right thing. With over thirty illustrations hand-drawn by the author, this mystery adventure is not just a tale-it's an immersive experience. It makes for an enjoyable bedtime read-aloud that leaves kids asking for "just one more chapter" and parents wanting to find out what happens next. The National Park Mystery Series Before Jake's grandfather died, he was on the trail of a centuries-old mystery. He has entrusted that mystery to Jake, leaving behind a set of hidden codes, riddles, maps, and other clues that lead Jake and his friends on a scavenger hunt while camping in the most rugged wilderness of the national parks. The mystery unfolds as Jake, Amber, and Wes learn about survival skills, natural history, integrity, character, and friendship. Along the way, they discover they are not the only ones on this quest. An elusive shadow group is close on their heels. Illustrated by the author, these page-turning adventures are designed to capture the imagination of even the most reluctant of young readers. Parents looking for a delightful read-aloud adventure will find it hard to put down. If your family loves the enchanted lands of our national parks, this series will take you to hidden places and breathtaking landscapes. If you enjoy movies like National Treasure and Uncharted or reading mystery adventures like the Hardy Boys and Gary Paulsen's survival story, Hatchet , you'll love this fourth installment of the National Park Mystery Series.