outrigger sailing canoes was knot tying, especially since the canoe is tied together with string. The bowline, the reef knot, the sheet bend, multiple half hitches and a figure eight knot will get you by, but there are many others that serve useful specialized purposes. Bob Holtzman just published his new Field Guide to Knots with eighty knots included. Knowing the right knot for the job could save your life and I'm not kidding.
Scarfing Basics by Russell Brown.