Ben Macintyre (2016) The early history of the SAS, told with lots of references to the soldiers' own recollections. It's hard to imagine now how revolutionary David Stirling's ideas were in the 1940s. To remove warefare from the structured set-pieces of the First World War and replace them with a more fluid form that emphasised small strike teams causing havoc behind the recognised front lines, and forcing the enemy to respond by taking troops away from the main battles, was revolutionary. It...