John Birmingham is the author of the cult classic He Died With a Felafel in His Hand, the award-winning history Leviathan, and the trilogy comprising Weapons of Choice: World War 2.1, Designated Targets: World War 2.2 and Final Impact: World War 2.3. His latest novel is Without Warning. Between writing books he contributes to a wide range of newspapers and magazines on topics as diverse as biotechnology and national security. Before becoming a writer he began his working life as research officer with the Defence Department’s Office of Special Clearance and Records.