ob121 - DIE WELTKRIEGSSPIONAGE - HUGE BOOK about espionage spies spying during WW1 from 1931 - weighs 10 pounds

From 1931.  This is a monumental work on espionage during WW1 on both sides.  Tons of photos, illustrations and information.  The largest book I have ever put up for sale.  Hardback. Measures 12 1/4 x 9 3/4" x 2 1/4" thick.  712 pages. Unpacked weight is 4.5kg. Used condition.  A small number of pages are lose within the book.  Wear and light damage to the covers and spine.  Damage to the internal binding. International postage is quoted for Royal Mail, but will likely be significantly cheaper if using a courier service, like UPS, DPD, etc. I will quote this at the time as prices will differ from country to country.