appreciating Roger Ver taking the limelight once again. I think when folks from the OG days of Bitcoin resurface it gets everyone interested in the history of Bitcoin.
One of the most crucial parts of the rabbit hole I love is the history of Bitcoin. It's crucial because it lets new participants see where Bitcoin has been, and get armed with the knowledge of what could be coming.
Bitcoin Billionaires about the Winklevii and Bitinstant is a great book, I've read it several times.