The Half-hearted Detective(1993)
(The first book in the Vinnie Altobelli Mystery series)
A novel by Milton Bass
Bounced from the force after a heart attack, former detective Vinnie Altobelli finds his career jump-started when Tony Pardo offers him one million dollars to find out who is trying to kill him.
Used availability for Milton Bass's The Half-hearted Detective
February 1993 : USA Paperback