John Verdon In this latest novel from bestselling author John Verdon, ingenious puzzle solver Dave Gurney puts under the magnifying glass a notorious serial murder  – one whose motives have...

Author: John Verdon When he was the NYPD’s top homicide investigator, Dave Gurney was never comfortable with the label the press gave him: super detective. He was simply a man who, when...

Author: John Verdon It begins with a letter. The letter contains a request - think of a number, any number - and a sealed envelope. When Dave Gurney, retired NYPD...