Hugger Mugger by Robert B. Parker

In this gripping mystery, a seasoned private investigator is hired to protect a prized racehorse from a series of escalating threats. As he delves deeper into the world of horse racing, he uncovers a tangled web of deceit, betrayal, and greed that stretches beyond the stables. With his sharp wit and unyielding determination, the detective navigates a cast of colorful characters, each with their own secrets and motives, leading to a thrilling climax where the truth is revealed and justice is served.