| title | media type | ISBN-13 | year of publica- tion | other author(s) |
| a | Paperback | 978-93-325-3958-7 | 2014 |
| Google Semantic Search: Search Engine Optimization Techniques That Get Your Company More Traffic, Increase Brand Impact, and Amplify Your Online Presence | " | 978-0-7897-5134-8 | 2013 |
| Martial Arts: Pack A | " | 978-1-84421-700-7 | 2004 | Harry Cook · Bob Willingham · Barnaby Chesterman · Klaus Nonnemacher |
| Ninja Hunter | " | 978-0-9543171-0-2 | 2002 |
| SEO Help: 20 Practical Steps to Power your Content Creation, Marketing and Branding in the new AI World of Google Search | " | 978-1-84481-023-9 | 2020 |
| SEO Help: 20 Practical Steps to Power your Content Creation, Marketing and Branding in the new AI World of Google Search | " | 978-1-84481-030-7 | 2020 |
| SEO Help: 20 Search Engine Optimization steps to get your website to Google's #1 page | " | 978-1-84481-996-6 | 2010 |
| SEO Help: 20 Steps to Get Your Website to Google's #1 Page | " | 978-1-84481-986-7 | 2011 |
| Seo Help: Taking Your Site to #1 | Taschenbuch | 978-0-321-57321-6 | 2008 |
| Tae Kwon Do | Paperback | 978-1-84421-699-4 | 2004 |
| The Sniper Mind: Eliminate Fear, Deal with Uncertainty, and Make Better Decisions | Hardcover | 978-1-250-11367-2 | 2017 |
| The Sniper Mind: Eliminate Fear, Deal with Uncertainty, and Make Better Decisions | Audio CD | 978-1-9773-0090-4 | 2017 |
| The Sniper Mind: Eliminate Fear, Deal with Uncertainty, and Make Better Decisions | " | 978-1-9773-5090-9 | 2017 |