The Fence

The Art of Protection

1998

The Elephant and the Twig

2000

Software Testing

An ISTQB-BCS Certified Tester Foundation guide

2015

The Beginners Guide to Darkness

2008

Fear

The Friend of Exceptional People

1996

The Great Escape

2001

Christian Doctrine

A Guide for the Perplexed

2020

The Art of Fighting Without Fighting

Techniques in Personal Threat Evasion

2014

A Book for the Seriously Stressed

2001

Shape Shifter

2005