The only fishing knot book on the current market that is waterproof AND dogear proof (in normal use) impervious to bait stains, lies flat, and fits in tackle boxes AND fly vests. It is intended for field use. contains easy to follow descriptions for 15 knots that should be used by fisherman of all types (bait, troll, lure, fly etc.) Knot failure is the main reason for "the one that got away" - especially that once in a lifetime fish. Use of this title may well change the odds to the fisherman's favour.