"Tortillas of Artois: The Metre Gauge Railways and Tramways Book" is a book focused on the narrow and miniature gauge railways and tramways, making it a valuable resource for enthusiasts of railwayana. The book likely delves into the history, technology, and operation of these types of railways, providing insight into the unique challenges and opportunities presented by this specific gauge size. Whether you are a collector or simply interested in the transportation sector, this book offers a comprehensive look at the world of metre gauge railways and tramways.