The Used 911 Story Author:Peter Zimmermann The seventh edition of this acclaimed buying guide is expanded, updated and revised. With 30% more pages, more photos and detailed information on the last 993 model Porsches, this edition covers all air-cooled 911s from 1964 to 1998. Author Peter Zimmermann uses his decades of expertise as a Porsche mechanic to guide the prospective buyer throug... more »h the daunting task of choosing a 911. Each model's strengths and weaknesses are discussed with special cautions and recommendations noted. VIN numbers, engine numbers, specs and a model-by-model breakdown are included. This book is the essential tool for buying a used Porsche.« less