Library Thing

I heard about Library Thing awhile ago but I never created an account or bothered to explore it for more than a minute. I've added 6 books to my catalog which is, http://www.librarything.com/catalog/Sadielady and I added my avatar to my profile, http://www.librarything.com/profile/Sadielady . After playing around with this I think I'll add more books and I may even join a group or two. I keep a journal of all the books I read and I thought this would be a good replacement but then I was disappointed to see that the site costs money if one wants to add more than 200 titles. I've read a lot more than 200 books!