Lockheed's SR-71 Blackbird is one of the most iconic and famous jets ever built. Assembled in secret at Lockheed's Skunk Works, the Blackbird's vital statistics remain phenomenal, decades later. It holds the airspeed record for a manned jet aircraft, operated at an altitude other aircraft could barely touch, and was a marvel of technical engineering. Drawing on declassified material, leading SR-71 expert Paul Crickmore reveals the history of this fascinating aircraft, accompanied by a range of fantastic illustrations, photographs, and facts about the world's most secret spy plane.