John has written 11 novels previously: Edgar nominee, In the Heat of the Summer (1982), adapted for the screen as “The Mean Season; First Born: The Death of Arnold Zeleznik, Age Nine (1984); New York Times bestseller, The Traveler (1987); Day of Reckoning (1989); Just Cause (1992), which was made into a movie by Warner Brothers; Edgar Nominee, The Shadow Man (1995); State of Mind (1997); Hart's War(1999); The Analyst (2002); The Madman's Tale(2004); and The Wrong Man (2006).

He has been a criminal court reporter for The Miami Herald and Miami News and a feature write for the Herald’s Tropic magazine. His work has appeared in many other newspapers, including The New York Times, The Washington Post, and The Philadelphia Inquirer.

His fans are eagerly awaiting the arrival of his next book slated for release in 2009.