All titles in this popular series of landscape-format books contain model-by-model technical descriptions, explain design and development features, discuss performance and equipment levels and, where appropriate, competition activities, as well as providing ownership guidance. The main text is supplemented by comprehensive reference material in the form of easy-to-study appendices. Chapters: Ancestors and parentage; Birth of the 911; â Everyman’s Porsche’ – the 912; Improving the breed – O, A and B-series models; Boring and stroking – 2.2 and 2.4-litre models; Return of the Carrera – 2.7 and 3-litre pacesetters; The 930 Turbo; The competition 911s; Turbos on the track – 911, 934, 935 and 936; Buying a used 911. Appendices: Model recognition and serial numbers; Performance and production statistics; Competition cars 1965-80; Porsche 911 and 912 performance figures.