THE ESSENTIAL KNOT BOOK by COLIN JARMAN- 85 page paperback. How to tie them and when to use them - 43 of the most important knots and splices any sailor needs to secure docklines, mainsheets, halyards, awning ties, dinghies, etc. Well illustrated. Essential Knot Book Collin Jarman. PB, 51/2 x 81/2, 85pp., index, 1986. How to tie and when to use the knots, whipping and splices most useful aboard a boat. Photos and truly helpful, clear illustrations.