The steam locomotives which served industry spent their working lives mainly behind walls of factories, docks and shipyards, unbeknownst to most people. However there was a fascinating variety of types, and this book provides insight into the origins and working lives of these little-known steam locomotives. It features informative sections on industrial railways, how a steam locomotive works, locomotive types, etc. and pages upon pages of detailed black and white photos which illustrate the many types. This informative book gives the hardworking steam locomotive the recognition it deserves and will be of great interest to all.