THE COLLECTOR'S GUIDE TO SWITCHBLADE KNIVES by Richard V. Langston

This handsome hardcover addition to the cutlery library is a must for collectors, switchblade aficionados, edged-weapons enthusiasts, historians, or anyone even thinking of buying or selling a switchblade. Using a dual grading system, this reference gives an honest appraisal of more than 160 automatic knives. (209 Descriptive Pages with Photos)