The product is a set of two books titled "Heavy Goods Engines of the War Department Volumes 2 & 3" by J.W.P Rowledge. These books are focused on railwayana and are produced in the United Kingdom. It is a valuable collectable item for enthusiasts of transportation and military history, providing detailed information on the heavy goods engines used by the War Department during a specific period. Perfect for collectors looking to enhance their knowledge and collection of railway memorabilia.