Canyon Sacrifice brings the rugged western landscape, the mysterious past of the ancient Anasazi Indians, and the Southwest's ongoing cultural fissures vividly to life. A deadly struggle against murderous kidnappers in Grand Canyon National Park forces archaeologist Chuck Bender to face up to his past as he realizes every parent's worst nightmare: a missing child.

The rugged landscape of Sequoia National Park is a challenge on the best of days - but when a park ranger discovers an abandoned exclusive campsite with an empty tent and high-end technical gear scattered on the shores of an alpine lake, the wilderness takes on a sinister new hue. Thirty-two-year-old Felicity Harland - a former FBI agent who left the service in the wake of a personal tragedy and has taken her skills off the grid - is brought in as chief investigator.

Homicide is always an abomination, but there is something exceptionally disturbing about the victim discovered in a high, lonely place: a corpse with a mouth full of sand, abandoned at a crime scene seemingly devoid of tracks or useful clues. Though it goes against his better judgment, Navajo tribal police lieutenant Joe Leaphorn cannot help but suspect the hand of a supernatural killer.

Sam Monroe thought his steamy love affair with Manhattan socialite Laura Nielson was dead and buried, but when she didn’t show up after unexpectedly calling him late at night and asking to meet, he decides to investigate. He finds her naked on her penthouse balcony, strangled, his dog tags wrapped around her neck. With a bull’s-eye on his back as the prime suspect, Sam begins a search for the killer that reveals Laura’s involvement with several men, some with ties to a well-known crime family.

While studying wolverines on a wildlife sanctuary in Montana, biologist Alex Carter is run off the road and threatened by locals determined to force her off the land. Undeterred in her mission to help save this threatened species, Alex tracks wolverines on foot and by cameras positioned in remote regions of the preserve. But when she reviews the photos, she discovers disturbing images of an animal of a different kind: a severely injured man seemingly lost and wandering in the wilds.