Try SailRite in Indiana
Until a few months a go I never tried sewing anything much more than a button repir. Sailrite.com has a great sewing instruction kit that includes a great sewing manual (by hand and machince), sail thread, sail repair material, whipping twine, assorted needles, a sewers palm, and a ditty bag kit that you sew yourself for practice. I've grown from that to: sail repairs, sail covers and most recently recovering V-berth cushions. They even sell kits to make your own sails. Give them a try.If you use a home sewing machine for the repairs, this instruction book will save your day. One last thing, buy sew-ease if you use a home machine. It's a light clear non-staining lubricant that makes all the difference in the world on tough materials to penetrate. Good Luck