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When a fellow ranger is injured in a caving accident, Anna Pigeon swallows her paralyzing fear of small spaces and descends into Lechuguilla Cavern to help a friend in need.

While vacationing in Big Bend National Park, roving park ranger Anna Pigeon and her new husband find themselves sucked into a riptide of danger and intrigue that surges from the Mexican desert to t

Anna's new post is temporary supervisory ranger in the obscure Dry Tortugas National Park. It seems to be a tropical paradise, yet all is not innocent on the islands.

Park Ranger Anna Pigeon has been assigned to historic Mt. Locust, an old plantation and inn on Mississippi's Natchez Trace Parkway which is now a tourist spot.

As soon as she hears her older sister is gravely ill, Anna rushes to the Big Apple to sit at her bedside.

Fleeing New York to find refuge as a ranger in remote West Texas, Anna Pigeon stumbles into a web of violence and murder when fellow park ranger Sheila Drury is mysteriously killed.

The roving park ranger and amateur detective Anna Pigeon investigates a case on Isle Royale. Amidst its barren landscape, a group of researchers observe a group of ravenous wolves.

Anna takes on a position as district park ranger of the Mississippi Natchez Trace Parkway. Once there she faces an angry staff.

Anna is lodged in Yosemite National Park's historic Ahwahnee Hotel when four employees disappear.

Jeritt Troy is a Scourge, a guardian tasked with patrolling cracks in time and righting the unspoken wrongs in history.

Sequel to Bulletproof Jory Harcourt is finally living the dream.

Life has never been easy for Duncan Stiel.

Varro Dacien spends his life riding toward the next adventure.

Weber Yates's dreams of stardom are about to be reduced to a ranch hand’s job in Texas, and his one relationship is with a guy so far out of his league he might as well be on the moon.

Trevan Bean has a job that’s going from illegal to frightening, a boyfriend who may not be in his right mind and a guardian angel who might actually be evil incarnate.