Army Navy Sales Boobytraps Manual FM 5-31 Brown 5.5 X 8.5. Also there is a chapter on detecting and removing boobytraps clearing and disarming methods. Heavily illustrated. This is a must have for the F.B.I. and other law enforcement agencies. 130 pages. 5.5"x8.5" Specifications for Army Navy Sales Boobytraps Manual: Manufacturer: Military Surplus Color: Brown Package Contents: Army Navy Sales Boobytraps Manual Boobytraps FM 5-31 Chapters include introduction and principles of boobytraps basic doctrine planning and installation equipment firing devices demolition materials including small missile construction techniques miscellaneous boobytraps from improvised materials. Also there is a chapter on detecting and removing boobytraps clearing and disarming methods. Heavily illustrated. This is a must have for the F.B.I. and other law enforcement agencies. 130 pages. 5.5x8.5 Included Accessories: