Original issue, US Army Pamphlet, 360 pages, size is 6 3/4" x 4 1/4", bound,  dated March 1969.  This is not a commercial copy or print but an original issue government print issued in 1969.  This publication is titled - DA Pam 381-10, Weapons and Equipment Recognition Guide for Southwest Asia.  Country Coverage is - Communist China, North Vietnam, South Vietnam, Cambodia, Laos, Thailand, Burma, Malaya.  Purpose of this handbook is to provide US military personnel with a compact  source of orientation and recognition data on ground force weapons and armored vehicles existing in certain countries in Southwest Asia.  For personnel who have served inVietnam, this pamphlet is a great reference book to have.  Very well illustrated using clear and detailed photographs.