Alone on an island without electricity or running water, with temperatures hovering around zero both day and night, Anna fights not only for the wolves but for her own survival as well. When a female member of the team is savaged, Anna is convinced she is being stalked, and what was once a beautiful, idyllic refuge becomes a place of unnatural occurrences and danger beyond the ordinary. The discovery of wolf scat containing alien DNA leads the group to believe that perhaps a wolf/dog hybrid has been introduced to the island.

Giant wolf prints are found, and Anna spies the form of a great wolf from a surveillance plane. Soon after Anna's arrival, the wolf packs under observation begin to behave in peculiar ways. Berkley Books, 2009 - Fiction - 469 pages. She's lodging in the island's bunkhouse with the famed wolf study team, and two scientists from Homeland Security, who are considering opening the park in the winters, so that the area can be manned to secure border with Canada - bringing an end to the 50-year study. Shes lodging in the islands bunkhouse with the famed wolf study team, and two scientists from Homeland Security. She's lodging in the island's bunkhouse with the famed wolf study team, along with two scientists from Homeland Security, who are assessing the study with an eye to opening the park in the winters-an act that would effectively bring an end to the fifty-year project-so that the area can be manned to secure the scrap of border with Canada. It's January and Park Range Anna Pigeon is sent to Isle Royale in Lake Superior to learn wolf management. A former National Park Service Ranger, she currently lives with her husband in Ashland, Oregon. It is January, and Park Ranger Anna Pigeon is sent to Isle Royale in Lake Superior to learn about managing and understanding wolves, as her home base of Rocky Mountain National Park might soon have its own pack of the magnificent, much-maligned animals. Her novels include Winter Study, Borderline and Burn.

Winter study by nevada barr