Special Sections -- Dogs -- Dog Trails -- Human Waste -- Personal Locator Beacons -- If You're Lost -- Bark Beetles -- Wilderness Camping -- Wildfires -- Lightning -- Shuttle Buses -- Trail Crews -- Understanding Search and Rescue (SAR).

Letters to her sister about the author's travel in Colorado, autumn and early winter 1873.

Secret Codes - Lost Landmarks - Hidden Clues - Real LocationsBefore Jake's grandfather died, he was on the trail of a centuries-old mystery. And 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 into the heart of Colorado's wild and rugged Rocky Mountain National Park.Through twists and turns, the mystery unfolds while Jake, Amber, and Wes learn about survival skills, natural history, integrity, character, and friendship.While camping in Rocky Mountain National Park, they discover they are not the only ones on this quest. An elusive shadow group is close on their heels.

While visiting the Mile High City of Denver, Christina, Grant, and their two cousins encounter a mystery involving a haunted hotel and a woman who once sailed on the Titanic.