Published: 1969.

AKA: A Nymph for the Mafia.

Cover Artist: Muni Lieblein.

Publisher: Cock Robin Mystery, an imprint of Macmillan.

Cover blurb: "Murder and mobsters put the finger on Alan Grofield, Mr. Cool himself, when he meets up with... The Dame".

Synopsis: Invited to Puerto Rico under mysterious circumstances, Grofield is stuck playing detective to save his own neck when he ends up the prime suspect in a murder.