The Convertible Hearse — William Campbell Gault

Now who would kill a used-car salesman? In a city like L.A., Brock Callahan figures there's about a million suspects -- each with a motive.

Nevertheless, the former gridiron star turned private eye is hired by the widow to find out just who killed the one and only Loony Leo Dunbar. It seems someone offed the king of the dubious deal as he was sitting in the front seat of his Lincoln. And now Brock “the Rock” is looking for Loony Leo's killer. It's not easy work; Brock's got to go through a bevy of Leo's girlfriends and seedy associates on a trail that leads into the sleaziest side of the used-car business he's ever seen …