http://www.amazon.com/Polycystic-Ovary-Syndrome-Healing-ebook/dp/B007ZRBBJ0/?tag=fkd-20 [2]
I don't know how long it'll be free, but it looks like a good starter title for anyone who has PCOS, a Kindle, and is interested in the book. (Looks like it only costs $2.99 normally, so it's still an inexpensive read.)