86 pages, 52 black & white illustrations, size 5.5 x 8.5 inches. Originally published under the title The Book of the Douglas by L.K. Heathcote, this book is one of The Motorcyclist's Library series published in the USA by Floyd Clymer by arrangement with the original publishers Pitman Ltd. of London, England. It includes complete technical data, service and maintenance information and detailed instructions for the repair and overhaul of the major mechanical and electrical components for the 250, 350, 500, 600, & 750cc pre-war Douglas motorcycles. There is adequate detailed text and diagrams to assist in major refurbishing such as an engine rebuild or even a complete renovation. While the predominant focus of this book is on the 1929 through the 1939 models much of the data is applicable to the earlier models. This publication has been Out-of-print and unavailable for many years and is becoming increasingly more difficult to find on the secondary market and we are pleased to be able to offer this reproduction as a service to all Douglas motorcycle enthusiasts worldwide.