I keep hearing people mention this book called "Taking Charge of Your Fertility". (or something like that) Apparently it's this really great book that helps you learn how to chart and stuff. I'm really curious about it... Most of the books on NFP are not really in my price range though... I have the "Art of NFP" w/ chart (which doesn't have a whole lot of info to be perfectly honest) and online sources to help (which there are some good ones)... so I can't complain really lol.
Has anyone read this? Is it worth it? Any comments, suggestions, etc?