Where abouts in the world are you? Sailing season is pretty much over Down Under (there is a reason this week-end's regatta is called the "Brass Monkey"
), but if you are located in more favourable climes - I would recommend finding your local sailing club.
Ask there for the possibility of sailing lessons and/or crewing with more experienced sailors. I learnt most of the basics from crewing with others in the sailing club races, it didn't cost me a dime (or cent, being Aussie & all
), and I was given tips I would never pick up from a book.
That said, it wasn't until I read my way through the Annapolis Book of Seamanship
that I understood why
the tips worked so well. Some theoretical underpinning always helps, but you can go a long way learning the skills by crewing with others in a good club