The Guild of Railway Artists - The Great Western Collection, GWR 150 1835-1985.
This is a hardback edition of the book written by Brian Hollingsworth and was published by Guild Publishing. This is a second hand book which is in very good condition but the cover has received a small water mark while on display.
An image of the book is shown for your information, if you click on the image a scanned copy of the back cover, contents page or introduction will be displayed.