The Modeller's Guide to the Great Western Railway is a comprehensive non-fiction textbook written by various authors, focusing on the history and details of the iconic railway. Published by SLP in 2002, this paperback book is intended for adult readers interested in model railways and train collectables. The book delves into the fascinating world of the Great Western Railway, providing valuable insights and information for enthusiasts looking to recreate or learn more about this British railway classic. It is a must-have for those passionate about railways and model building.