Book excerpt: Admirers of fine knives will enjoy learning how to make their own. Internationally known knifemaker Bo Bergman takes readers through every step of knifemaking, from blade selection and sharpening, through crafting handles to creating and decorating sheaths of leather, bone, even wood. Sixteen projects include a classic all-purpose knife, hunting and fishing knives, and much more. 16 color photos. 30 b&w photos. 50 drawings.