There are many online sources (free) for you to learn. Google and check some out before you buy a book. There are YouTube videos also.
I don't remember what site I used, but I selected a very simple pattern, a sailboat. It was pretty easy and gave me the confidence to try a real pattern. I went right from my sailboat to a quilt. Here's a link to the one I made. I didn't want to give it away, but it was a wedding gift.
http://www.quiltingboard.com/t-34242-1.htm