Book excerpt: Take hold of the ultimate reference resource on one of the world's most loved and respected sports cars. Porsche's 911, one of the most iconic sports cars in the world, is also one of the most sought-after collectible sports cars. Potential buyers, collectors, historians, and armchair enthusiasts crave all the details that, in sum, make up the 911's DNA. Porsche 911 Red Book provides all of the critical information enthusiasts need and offers it in a convenient, portable package that can be carried to concours, auctions, club events, or anywhere that quick reference to accurate data is required. From the first 911 of 1964 to today's technologically advanced, class-leading sports car, Porsche 911 Red Book offers all the data and detail desired by 911 fans. It provides an in-depth look at all the 911 versions including the Turbos, GT cars, and the limited-production specials that have collectively forged the 911 legend over the past 50-plus years.