Nevada Barr

Visiting an isolated Lake Superior isle to study wolf behavior, ranger Anna Pigeon joins a scientific group that subsequently discovers unusual DNA evidence suggesting that a giant and dangerous wolf hybrid has been introduced by an unknown source.

In New York Times bestselling author Nevada Barr's gripping standalone, a grandmother in her sixties emerges from a mental fog to find she's trapped in her worst nightmare Rose Dennis wakes up in a hospital gown, her brain in a fog, only to discover that she's been committed to an Alzheimer's Unit in a nursing home. With no memory of how she ended up in this position, Rose is sure that something is very wrong. When she overhears one of the administrators...

A park ranger solves a mystery.

Just days after marrying Sheriff Paul Davidson, Anna Pigeon moves to Colorado to assume her new post as district ranger at Rocky Mountain National Park.
When two of three children who'd gone missing from a religious retreat reappear, Anna's investigation brings her face-to-face with a paranoid sect—and with a villain so evil, he'll make the hairs on the back of your neck stand on end.

A park ranger finds a corpse in the bedroom of an old inn. The body bears what looks like brutal scars from an S&M ritual and on the night table sits an open Bible with passages circled in red. Then Anna learns that the deceased is the brother of a man running for local sheriff.

"Anna Pigeon, in her career as a National Park Service Ranger, has had to deal with all manner of crimes and misdemeanors, but cyber-bullying and stalking is a new one. The target is Elizabeth, the adopted teenage daughter of her friend Heath Jarrod. Elizabeth is driven to despair by the disgusting rumors spreading online and bullying texts. Until, one day, Heath finds her daughter Elizabeth in the midst of an unsuccessful suicide attempt. And then...

Anna Pigeon has fled New York and her memories to find work as a ranger in the country's national parks. In the remote backcountry of West Texas, however, she discovers murder and violence. Fellow park ranger Sheila Drury is mysteriously killed, presumably by a mountain lion. But the deep claw marks Anna finds across Drury's throat and the paw prints surrounding the body are too perfect to be real.

A park ranger solves a mystery.

Lately, visitors to Mesa Verde have been bringing home more than photos--they're also carrying a strange, deadly disease. And once it strikes, park ranger Anna Pigeon must find the very human source of the evil wind.

A park ranger solves a mystery. Exhausted by efforts to stop a wildfire that has already devoured 17,000 acres in California, ranger Anna Pigeon takes refuge when the fire crosses her path and emerges with nine other people, only to discover a murdered body.