This is a first edition Porsche specifications book covering the 911 SC, Turbo 3.3 models from years 1978 to 1981. It was published in Germany by Porsche and is a valuable resource for car enthusiasts and collectors. The book is in paper format and provides detailed information about the vehicle's features, specifications, and maintenance requirements. The publication year is 1981, and the subscription length is one year. This manual is perfect for those looking to learn more about their Porsche or for those who want to add a rare piece of literature to their collection.