Treachery Times Two
A volcanic eruption unearths deadly secrets in this thrilling Hawaiian mystery.
On Hawaii Island, a volcanic earthquake disrupts an abandoned cemetery, revealing a woman's body mutilated to conceal her identity. Hilo Chief Detective Koa Kāne's investigation leads him to a mysterious defense contractor and a powerful secret military weapon, Deimos. Is the FBI telling all it knows, or does it, too, have a duplicitous agenda?
Koa, haunted by a past murder he covered up, faces exposure by the dead man's grandson. Forced to investigate his own crime, Koa races to stop another man from paying for his sins. Can he expose the truth before it destroys everything he holds dear?
Perfect for fans of Michael Connelly and James Lee Burke, this gripping Hawaiian mystery explores themes of betrayal, redemption, and the explosive power of secrets.
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Robert McCaw
Robert McCaw grew up in a military family traveling the world. After graduating from Georgetown University, he served as a lieutenant in the US Army before earning his law degree from the University of Virginia. Thereafter he practiced as a partner in a major international law firm in Washington, DC, and New York City—and maintained a home on the Big Island of Hawaii. McCaw brings a unique authenticity to his Koa Kāne Hawaiian mystery novels in both his law enforcement expertise and in his ability to portray the richness of Hawaiʻi’s history, culture, and people. McCaw lives in New York City and Hawaii with his wife Calli.
Also writes as Robert B. McCaw.
Koa Kane Hawaiian Mystery
Koa Kane Hawaiian Mystery consists of four primary books, and includes one additional book that complement the series but is not considered mandatory reads. The current recommended reading order for the series is provided below.

