Reviews Living Weapons: Biological Warfare and International Security by Gregory D. Koblentz Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Science News November 20, 2009 at 3:57 pm Biological weapons pose unique threats to international security, beyond those caused by chemical and nuclear weapons, a policy expert argues.Cornell Univ. Press, 2009, 255 p., $35. LIVING WEAPONS: BIOLOGICAL WARFARE AND INTERNATIONAL SECURITY BY GREGORY D. KOBLENTZ