The Preparatory Manual of Chemical Warfare Agents Third Edition is a massive upgrade to "A Laboratory History of Chemical Warfare Agents", and it's original title has been re-established. The book includes many upgraded information on existing warfare agents including updated molecular formulas, 3D molecules, and molecular data. This third edition includes brand new chapters and sections including a chapter discussing the complete preparation and data of nerve agent antidotes; a huge section on the preparation of potential and experimental warfare agents (nerve agents), including a valuable section and chapter on the complete preparation and data of nerve agent intermediates; a section and chapter on the complete preparation and data on the incapacitating agent BZ and military weaponization; a complete and in depth section and chapter on the extraction, isolation, and military weaponization of Ricin; and a upgrade to methods of chemical dissemination i.e. chemical warfare munitions.