Mystery Stalks the Prairie was published in 1976 by Keith Wolverton, a sheriff's deputy in Cascade County, Montana. He wrote the book to document numerous incidents of cattle mutilations and UFOs that he had investigated—and that could not be explained.Mystery became an instant classic—the first book to seriously examine cattle mutilations and related UFO reports. Nearly a half century later, Mystery remains the touchstone for similar investigations around the world.This up...