Gavin Mortimer is the author of Stirling's Men (Weidenfeld & Nicolson, 2004), a ground-breaking history of the early operations of the SAS, The SAS in World War II: An Illustrated History (Osprey, 2011), The Daring Dozen (Osprey, 2012) and The SBS in World War II: An Illustrated History (Osprey, 2013). He has also recently published The Men Who Made the SAS (Constable, 2015). An award-winning writer whose books have been published on both sides of the Atlantic, Gavin has previously written for The Telegraph, The Sunday Telegraph, The Observer and Esquire magazine. He continues to contribute to a wide range of newspapers and magazines from BBC History to the American Military History Quarterly. In addition he has lectured on the SAS in World War II at the National Army Museum.