Active between 1969 & 1973 the Porsche 917 was an iconic racing car that won numerous sports car races including two victories in the famous Le Mans 24 Hours. The diversity & sheer accomplishment of its track career is the focus of this extensive & highly visual study published on the 40th anniversary of the 917's race debut. Produced in a large format & containing more than 800 photographs from many key sources including the Porsche archive itself along with the author's detailed & meticulously researched text this is essential reading for all sports car racing enthusiasts.