This book is a must-have for any railway enthusiast who is interested in the British Rail Class 20 Diesels Loco. Written by Bradford Barton, this book provides a comprehensive guide to the history, technical specifications, and operational details of these iconic locomotives. It is an excellent resource for anyone who wants to learn more about the British Rail Class 20 Diesels Loco, and it is sure to be a valuable addition to any collection of railwayana books.