| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Somalia: State Collapse, Terrorism and Piracy | 978-0-415-82893-2 (0-415-82893-7) | 2012 |
| The United States, South Africa and Africa: Of Grand Foreign Policy Aims and Modest Means | 978-1-138-72391-7 (1-138-72391-6) | 2017 |