| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Emerging Transnational security Governance | Paperback | 978-1-138-87421-3 | 2015 |
| Emerging Transnational security Governance: A Statist-Transnationalist Approach | Hardcover | 978-0-415-56360-4 | 2010 |
| Violent Non-State Actors: From Anarchists to Jihadists | " | 978-0-415-84347-8 | 2016 |
| Violent Non-State Actors: From Anarchists to Jihadists | Digital | 978-1-317-20120-5 | 2016 |
| Violent Non-State Actors: From Anarchists to Jihadists | " | 978-1-317-20122-9 | 2016 |