Summer of the Dragon — Elizabeth Peters

The job was 600 miles away from home and that made it perfect. It didn't even matter that Hank Hunnicutt had a reputation as a kook; he was, D.J. Abbott thought, merely eccentric. After all, didn't he surround himself with every self-proclaimed practitioner of the occult arts who came his way?

So, a thousand dollars a month, all expenses, the opportunity to spend some time on an Arizona ranch ... it was everything a young graduate student trying to prove herself might want. And it was ... until Hank suffered an accident, then disappeared.

Suddenly, the guests were eyeing each other--and D.J.--with fear and suspicion. Only the person responsible knew what was going on, and when D.J. got too close to uncovering the truth, she discovered that some of the games being played by the people at the ranch have a deadly intent. And that she might just be the intended...