To celebrate the launch of �The Blue Zone� Entertainmentwise has teamed up with Harper & Collins to give one lucky winner the chance to win a 1GB iPod Nano and a copy of the novel from best-selling author Andrew Gross.

Andrew Gross is no stranger to literary success.  Along with James Patterson, Gross has co-authored five New York Times number one bestsellers, including Judge & Jury, Lifeguard, and Third Degree.  Yet he may be one of the most successful thriller writers whose name you don�t know.

To be in with a chance of winning all you need to do is answer this simple question:

How many number one sellers has Gross had?

A. One
B. Ten
C. Five