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...

The story of Anna Pigeon's past traces her 1995 relocation from New York City and first days as a Glen Canyon park ranger, a new start that is shattered by her abduction and imprisonment in the bottom of a dry well without supplies.

Recovering from recent emotional trauma, National Park Service ranger Anna Pigeon goes to New Orleans to visit her friend, Geneva, only to become the target of a dark curse, prompting her to investigate what it has to do with a fugitive mother accused of killing her family.

After a summer fighting wildfire, park ranger Anna Pigeon is enjoying a weekend away camping in Minnesota's National Park with her girlfriends. Leah Hendricks is the genius behind a high-end sports gear manufacturer and Heath Jarrod has volunteered to test out some of the equipment. But when they encounter a band of violent kidnappers little do they realize that their ultimate challenge will be to stay alive. Anna Pigeon, a ranger for the U.S. Park...