By Charles L. Dobbins. Beaver Pond Publishing & Printing, Inc. Second printing, May 1999. Everything you need to know about beaver and otter trapping in open water is in this book. Topics covered include dams and lodges, bank dens, lures, castors and oil sacks, different types of traps and sets, snares, skinning knives, and skinning, fleshing and stretching beaver and otter hides. Softcover. 114 Pages.