- AudiolivroCanyon SacrificeScott Graham
- AudiolivroYosemite FallScott Graham
- AudiolivroYellowstone StandoffScott Graham
- AudiolivroMountain RampageScott Graham
- AudiolivroCanyonlands CarnageScott Graham
- AudiolivroArches EnemyScott Graham
- AudiolivroMesa Verde VictimScott Graham
- AudiolivroSéries: National Park Mysteries (Graham)Scott Graham