The definitive history of Triumphs two most popular models in the 1940s and 1950s In depth information on the Thunderbird not previously available. Year-on-year

A complete technical development history of the Triumph Speed Twin and Thunderbird motorcycles. As a reference, this book will be an invaluable asset for anyone

New in paperback! The Triumph Speed Twin & Thunderbird Bible show the definitive history of Triumph's hugely popular Speed Twin and Thunderbird models. Much mor

This book examines the classic period of Grand Prix racing from 1960 to 1969, and the men and machines involved. Covering the emergence of the Japanese factorie

The story of the Triumph Bonneville - its conception, design and production, how it compared to the competition (British and Japanese), and how it was seen at t