The most extensive and comprehensive pocket reference ever compiled for law enforcement and other first responders. Impressively diverse and thorough; from helpful specs on guns and ammo, interpretation of Haz-Mat placards, crime investigation tips, and first aid protocols to tips for prolonging your career, helpful law enforcement support organizations, bad-weather driving instructions, building search patterns, interview & interrogation techniques and even tips for putting out a variety of fires and saving a pet in distress.