The product is a collection of hardback books focusing on Narrow Gauge Railways, specifically featuring content related to the James I C Boyd volume series. These books cover various aspects of railwayana and are specifically dedicated to the topic of Narrow and Miniature Gauge railways. Perfect for collectors and enthusiasts interested in transportation memorabilia, these hardbacks delve into the history and details of these unique railway systems. 2 hardbacks vol 1 and vol3 Very interesting