The best go first

-Hard as Nails
TOUGH... SLANGY... FAST-MOVING...CRISP... REALISTIC... HARD-BOILED
MEET Mike Cavanaugh, a hard-fated, tough-minded private detective With an eye for a good-looking dame and an instinct for trouble.
MEET Mike Cavanaugh in a driving, hammering novel about a deadly triple killing and a girl who had too much of everything.
MEET Mike Cavanaugh in a crackling, outspoken murder yarn that caused the San Francisco Chronicle to applaud: "Congratulations to O'Malley for producing a private detective like Mike Cavanaugh."