The British Leyland Service Parts Book for the 680 Engine is a valuable resource for collectors and enthusiasts of transportation memorabilia. This book, designated as UE.680/134B/2, provides detailed information and specifications on the British Leyland 680 engine, making it a must-have for those interested in classic buses and coaches. With its focus on service parts, this book offers a unique insight into the maintenance and upkeep of these iconic vehicles, making it a prized addition to any collection.