Hi Edge,
there's tons of websites out there that offer online info.
Save ya $$.
here's one link with many links;
http://www.earlham.edu/~peters/knotlink.htm#knot%20tying
Mark Rubino
Mark's Algonquin Park Sampler - Blog
Mark's Algonquin Park Sampler
http://www.ABRweb.ca .. Algonquin Backcountry Recreationalists - Caring for Algonquin's Backcountry