The Lotus 72 story: teething troubles; debut win in 1970 Dutch GP; Rindt's posthumous World Championhip in 1970; a lean year in 1971 with no wins; another title in 1972, for Fittipldi; team-mates Ronnie Peterson and Fittipaldi take seven wins in 1973; protracted old age with active use lasting into 1975. Anatomy of the Lotus 72: aerodynamics, chassis, engine, transmission, suspension, steering, brakes, wheels and tyres, electrics. Restore for track use: restoration projects; obtaining spare parts; making replacement parts. The owner's view: buying a Lotus 72; values and insurance. The driver's view: racing in period; racing now. The engineer's view: maintenance and repairs; set-up for racing.