| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2013 | 978-0-9574641-2-4 | Gary Murray | Berlin City of Spies |
| '' | 978-0-9574641-6-2 | Gary Murray | The Bushido Conspiracy |
| 2014 | 978-0-9574641-7-9 | '' | A Guide to Working as a Confidential Police Informant or Intelligence Agent |
| '' | 978-0-9574641-8-6 | '' | A guide to working as a Confidential Police Informant or Intelligence Agent |