Viking Warrior vs Frankish Warrior: Francia 799–911 Noah Tetzner Osprey Publishing

Speed Read Porsche 911: The History, Technology and Design Behind Germany's Legendary Sports Car: Volume 5 Wayne R. Dempsey Motorbooks

Porsche 911 Red Book: Specifications, Options, Production Numbers, Data Codes and More Peter Bodensteiner Motorbooks

Classic Porsche 911 Buyer's Guide 1965-1998 Randy Leffingwell Motorbooks

Porsche Passion: 911 Heaven and Beyond Cole, Lance Pen & Sword Transport

Original Porsche 911 1964-1998: The Definitive Guide to Mechanical Systems, Specifications and History Peter Morgan Motorbooks

101 Projects for Your Porsche 911, 1964-1989 Wayne R. Dempsey Motorbooks

101 Projects for Your Porsche 911 996 and 997 1998-2008 Wayne R. Dempsey Motorbooks

How to Rebuild and Modify Porsche 911 Engines 1965-1989 Wayne R. Dempsey Motorbooks

Porsche 911 Performance Handbook, 1963-1998: 3rd Edition Bruce Anderson Motorbooks

Porsche 911: 50 Years Randy Leffingwell Motorbooks

The Complete Book of Porsche 911: Every Model Since 1964 Randy Leffingwell Motorbooks