1941 3rd Edition of YOUR ANSWER TO INVASION - JU-JITSU , UNARMED COMBAT by James Hipkiss. Paparback type book with hard card covers, book is complete with fold out illustration sheet to the rear. In used condition with a 1942 dedication on first page to a RSM 3RD BATT. ACF JUNE 1942.First 2 pages have very small area of mouse nibble damage, not on text just bottom right corners of plain paper.