By David Stone
Publisher : Conway; 1st edition (14 May 2015)
Language : English
Hardcover : 560 pages
ISBN-10 : 1844862356
ISBN-13 : 978-1844862351
As reference book I could not have survived in the early days of militaria business without this book, it is also a good read.
Of course it is expensive, as all good books are have it in both in Hardback and Kindle versions.