Mr. Murder – Dean Koontz

What if your double wanted your life — and would kill for it?

Martin Stillwater is a successful mystery novelist living a quiet suburban life with his wife and daughters. Then a stranger appears — a man who looks exactly like him, down to the smallest detail. This doppelgänger is not only determined to take over his life but is also a ruthless killer. As Martin fights to protect his family, he uncovers a terrifying conspiracy that blurs the line between science and nightmare.

⭐ Goodreads: 3.9/5 from 25,000+ ratings — "Classic Koontz — suspenseful, creepy, and impossible to put down."

Perfect for fans of psychological thrillers and science-tinged horror. Trending among readers who love evil twin/doppelgänger plots, family-under-siege tension, and Koontz's signature blend of paranoia and heart. If you loved Intensity (Koontz) or The Outsider (Stephen King), this is essential reading.

Pair with Koontz's Forever Odd and The Darkest Evening of the Year for a curated Dean Koontz spotlight set.

A paperback (1993) in Very Good condition.