New & improved authoritative reference work for advanced studies. A must for beginner or expert. Better charts, easier math, better drawings, & improved readability. Understanding Firearm Ballistics explains basic to advanced firearm ballistics in understandable terms. The only complete reference book of extensive information. An authoritative & standard reference work for advanced studies. Required reading for firearm owners. 430 pages of little known facts illustrated with drawings & charts. A complete guide full of valuable data with illustrations, tables, tips, glossary, index, and detailed factual information. A must for beginner or expert. 6th printing. Illus; 5.5x8.5 inches, 430 pgs.