Best-selling and award-winning authors Jerry Jenkins and Chris Fabry grab the attention of kids in these fast-paced, exciting books. Watch out! The Timberline twins are on the loose. Bryce and Ashley are 13-year-old twins from Colorado who unearth action-packed mystery and adventure wherever they go. The twins' growing faith and the strong example of their parents guide them through even the most life-threatening situations. Using their trademark page-turner style, authors Jerry Jenkins and Chris Fabry (Left Behind: The Kids series), will keep even reluctant readers on the edge of their seats as they read these fast-paced books. Perfect for ages 8⁠-12. This set includes books 13-15 in the 15-Book Red Rock Mysteries series: Hidden Riches Ashley and Bryce are in a tough spot. Will their quick getaway on their ATVs keep them safe...or send them over a cliff? Wind Chill Among a handful of students competing in a tournament at a mountainside college, Ashley discovers a student is missing. Can she and Bryce find the missing girl before they are found missing? Dead End Bryce notices a suspicious vehicle near their home and school. When Bryce investigates, he comes face-to-face with a person he never expected to meet! Can Bryce and Ashley solve the mystery before someone in town gets killed?