This new illustrated two-volume set is a further detailed look at the helmets of all nations using an identifiable helmet during the First World War. Following the authorsâ?? first book on World War I helmets, this set contains over 1,000 full colour, detailed photographs and over 200 period black and white photographs. Featured are rare and unique helmets, some previously unseen. The text includes a short history of the belligerent countries â?? setting the helmets and their development in context â?? as well as details and dimensions of all helmets. The countries featured are: Vol.1: Austro-Hungary, Belgium, Bulgaria, Czechoslovakia, France, Germany; Vol.2: Great Britain, Greece, Holland, Italy, Japan, Poland, Portugal, Romania, Russia, Serbia, Turkey, United States. The helmets illustrated come from rarely-seen private collections, as well as national museums, including items not currently on public display. This set is a superb reference for all helmet collectors and historians of the First World War. 550 colour tb/w photographs