I think that books remain the tool of choice for changing the discussion and for impacting the way people think. There's really no better way for an individual to speak up with authority.
I hope you find something on this list that resonates with you.
And if you haven't read it yet, don't forget to download my new free ebook, Stop Stealing Dreams. After a week, it's been tweeted more than 4,000 times, with over 100,000 readers and more than 22,000 search matches.