Think of a Number

Think of a Number is the debut novel of John Verdon published in 2010.

It is a detective novel about a retired New York City homicide detective named Dave Gurney.

It is the beginning of a saga that continues with its 2011 follow-up Shut Your Eyes Tight.

In 2012 a third novel in the David Gurney series was published, entitled Let the Devil Sleep.

In 2014 a fourth novel in the David Gurney series was published, entitled Peter Pan Must Die