Good Books?

I've never been much of reader - as a kid I read quite a bit, but I really didn't find reading enjoyable for the last 15 or so years.  But in the last 12 months I have been making up for lost time and I need your help to keep me going.  I am looking for your recommendations.

The last time I asked for a book recommendation, it was suggested that I read a book called, "Same Kind of Different As Me" - and that was a great book! 

What's good?  What challenged you?  Was there a book you read that you completely disagreed with? 

And check out my list of books I have read recently...lots of good stuff there!