Evolution Of A Tractor, by International Harvester Co.. 64 Pages. Softbound. This informative reprint is a "1920 reminiscence by executives of the International Harvester Company". In more simple terms, it is the written accounts from different workers of their experiences in the business as demand for large tractors decreased, and increased for smaller tractors. Illustrated with numerous vintage photos, this book is both an excellent source of information for tractor buffs and a fascinating browsing book for the general reader. $13.95 (BK-1255)