The Hornby Railways GWR 150 1835-1985 31st Edition The World Of Thomas The Tank is a valuable price guide book published by Hornby for collectors and enthusiasts in the model railways and trains industry. This edition celebrates the history of the Great Western Railway and features detailed information on various models and collections. Perfect for fans of model trains and collectors of railway memorabilia, this book is a must-have for anyone interested in the world of Thomas the Tank and beyond. Please study images as they form part of the description.