On 25 May 1944, 800 men of the 500th SS Parachute Battalion descended on Drvar, a town behind enemy lines in north-western Bosnia. Their aim was to kill or capture Tito, the leader of the partisan movement in the region. The plan was to land the battalion by glider and parachute in two waves which would be relieved the next day by a ground assault. Tito knew an attack was imminent but dismissed the idea of an airborne assault. The attempt to eliminate Tito was a colossal failure. The elite battalion had been decimated, with only 200 men fit for duty the next day. Inter-agency rivalry between the Abwehr and the SS had meant that intelligence was not shared, a problem exacerbated by a failure to exploit HUMINT about Tito's precise location and the adoption of a plan that did not take into account these intelligence limitations.

David Greentree was born in Portsmouth in 1970. He attended Portsmouth Grammar School, where he developed an interest in military history. He studied for a BA in History at York before taking an MA in War Studies at King's College London and qualifying as a lecturer in Further Education at Cardiff. In 1995 he accepted a commission into the Royal Air Force, and has since served in a variety of locations, including Afghanistan. He is currently working in the Ministry of Defence in London.

Mark Stacey was born in Manchester in 1964 and has been a freelance illustrator since 1987. He has a lifelong interest in all periods of history, particularly military history, and has specialized in this area throughout his career. He now lives and works in Cornwall. Mark completed the cover art for this volume.