This volume details the background, design, service history and disposal of RENFE class 2100, later 321. 80 of these CoCo diesels were delivered by Alco, CAF, SECN and Euskalduna 1965-1971. It also covers locomotives of similar models for other countries and is illustrated by a wealth of interesting photographs (the reproduction of the b&w photographs is not quite up to todays standards). 240 pages (48 in colour) 22x20 cm, sb.