The Kachina Doll Mystery
Carolyn Keene
 When Nancy, Bess, And George arrive at the McGuire's Fitness ranch in Arizona, they Discover that the future of the ranch is being threatened by unexplained accidents. Teaming up with a ghost, Nancy begins her search for a precious collection of ancient kachina dolls and hunts for her elusive adversary who is determined to prevent the ranch from operating.