Twelve-year-old Jack and his younger sister visit Mesa Verde National Park, where they delve into the park's history while gradually uncovering the mysterious past of their family's teenage foster child Lucky.

The Landon family travels to Glacier National Park to investigate why grizzly bear cubs are disappearing and become involved with a ten-year-old Mexican runaway boy.

In the riveting second installment of the National Park Mystery Series, archaeologist Chuck Bender finds himself and his young wife and stepdaughters in the crosshairs of an unknown killer when he defends his brother-in-law from false accusations of murder in the brutal slaying of a resort worker in Rocky Mountain National Park.

When archaeologist Chuck Bender arrives in Yosemite Valley with his new family to study the 150-year-old murders of two gold prospectors, he and his street-savvy wife Janelle Ortega are suspected in the shocking death of one of Chuck's former rock-climbing partners. Together, Chuck and Janelle solve the dual mysteries while facing down a ruthless killer on the loose.

Hounded by false accusations of murder, archaeologist Chuck Bender and his family risk their lives to track down an unknown killer on the loose in a rugged canyon on the remote western edge of Mesa Verde National Park, where ancient stone villages and secret burial sites, abandoned centuries ago by the Ancestral Puebloan people, harbor artifacts so rare and precious they're worth killing over.

Follow the clues to real locations on a quest to solve an ancient mystery. The scavenger hunt takes Jake and his friends, where few people venture to go, into the depths of the Grand Canyon. Jake, Amber, and Wes encounter new dangers and find their friendship tested as they follow the clues Jake’s grandfather hid away in the old scrapbook. The stakes are higher, and the history goes deeper as the three kids put their heads together to solve a puzzle...

The scavenger hunt continues in book two of the bestselling National Park Mystery Series. After camping in Rocky Mountain National Park, Jake and his friends travel to the Great Sand Dunes in southern Colorado. Exploring the heart of the dunes, they stumble upon something both unexpected and dangerous. Through more twists and turns, Jake's friendships and integrity are tested by choices that will demand smarts and courage. The National Park...

Before 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,...

Some of the most visited national parks in the country have a dark side. Aside from crowds of hikers, campers, and general tourists, there's a dark side to these three locations in California, the famous Yosemite, Joshua Tree, and Mount Shasta. From strange disappearances, grisly murders, and bone-chilling paranormal hauntings and ghost sightings, these pristine locales have a lot more to offer than just serene hiking trails or camping. In this second...

In a remote corner of Alaska, Investigative Services Bureau agent Felicity Harland squares off against a mysterious cult leader with potentially deadly motives in this thrilling outdoor adventure for fans of Scott Graham and Nevada Barr. While enjoying a rare weekend off from her duties as an agent with the Investigative Services Branch, Felicity Harland learns that a young couple has turned up dead in Gates of the Arctic National Park. Harland recruits...