The Goodbye Look Lew Archer Series, Book 15.

In The Goodbye Look , Lew Archer is hired to investigate a burglary at the mission-style mansion of Irene and Larry Chalmers. The prime suspect, their son Nick, has a talent for disappearing, and the Chalmerses are a family with money and memories to burn. As Archer zeros in on Nick, he discovers a troubled blonde, a stash of wartime letters, a mysterious hobo. Then a stiff turns up in a car on an empty beach. And Nick turns up with a Colt .45....