Arches Enemy: A National Park Mystery

Yellowstone Standoff: A National Park Mystery

The Da Vinci Code: A Novel

Canyonlands Carnage: A National Park Mystery

Canyon Sacrifice

Unseen: The Will Trent, Book 7

Saguaro Sanction: A National Park Mystery

The Midnight Line: (Jack Reacher 22)

Mesa Verde Victim: A National Park Mystery

Yosemite Fall: A National Park Mystery

Death Valley Duel: A National Park Mystery

Die Trying: (Jack Reacher 2)

The Kept Woman: The Will Trent Series, Book 8

Only Rage (A Sadie Price FBI Suspense Thriller—Book 2)