DIAMOND HEAD was a selection by Richard Robinson one Friday and I liked the review, deciding to find it. It is the first adventure of P.I. John Caine, who lives on a sailboat on the island of Oahu and earns a living by doing favors for people.

This time an old friend from his Navy days comes looking for help for their old commander, now an Admiral. His daughter had been murdered a couple of months before and he wants the killer found and “dealt” with for two reasons. His old commander has political aspirations, as did his father before him.
The daughter may have been involved in some pretty bad stuff, porn, and worse, ending up a victim herself. Caine’s job is twofold: find the killer and bury whatever embarrassing things turn up. Caine owes the man his life and can’t turn it down.
Along the way things get rough with a Hawaiian crime lord involved and a female cop he becomes close with and has to work around, not to mention battles with sea predators and Mother Nature herself.
I liked this one and may have to find the several other novels featuring ex-Navy Seal John Caine.