Deal Breaker is a 1995 thriller novel by Harlan Coben and is the first in his Myron Bolitar series.

[1] Investigator and sports agent Myron Bolitar is poised on the edge of the big-time.

But when Christian gets a phone call from a former girlfriend, a woman whom everyone, including the police, believes is dead, the deal starts to go sour.

Suddenly Myron is plunged into a baffling mystery of sex and blackmail.

A film adaptation is in development after the rights to the Myron Bolitar novels was bought by Columbia Pictures.