Or maybe you're brand-new to fishing and in need of a quick fix for basic problems. Check out The Complete Idiot's Guide to Fishing Basics by Mike Toth (352 pp.; 1997. Illustrated. Published by Macmillan, Dept. FS, 1633 Broadway, New York, NY 10019. Softcover, $16.95). Toth is a Field & Stream Senior Editor whose workday chores often include making literary clear water out of mud. Whether it's your first time putting a worm on a hook or your first saltwater charter with a guide, Mike makes it easy.