This book is a must-have for any railway enthusiast who is interested in the British Rail era. It provides detailed information about the BR class 31 diesels, which were designed and manufactured by Bradford Barton. The book covers all aspects of the engines, including their history, technical specifications, and operational details. This collectable item is perfect for anyone who wants to learn more about the British Rail era and the engines that powered the trains. It is a great addition to any railwayana collection and will provide hours of reading pleasure.