I'm Gordon Warden, author of the Harry Black Thriller series. Apart from the audiobook, there are several books to read.

The first in the series, The Cheat Killers, is currently free on Amazon, you can download it here.

The others are 'Who Is The Tigerman?' The Twist of a Sinner and the very latest, Deadly Room Service.

Whilst these books are in a series, they can be enjoyed independently of each other.

There is also a free novella, which is a quick read and will give you an insight into Harry Black. The Powder King is available on my website:

gordonwarden.com