National Network for Equitable Library Service

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.