The Author Brand: What It Is and Some Examples

I've been told about this author branding thing for years. I've even tried to do it. Sort of. I never had my own logo or a tagline, but I've tried various "looks" and then created blog, Facebook, Twitter, Google+ etc headers all based on the same image (like what you can currently see at the top of my blog). But I've never fully liked any of the ideas I've come up with. Basically, I want a neat little logo/tagline combo that can represent my brand anywhere on the internet. Something that's ea...