If you’re building an author platform, Kindle Marketing Gold: 5 Keys to Boost Your eBook Sales is a great book to read. It covers all the basics: Facebook, Twitter, review sites, book trailers, press releases, writing a blog, and Amazon categories and keywords.
This is a book for beginners, though. It goes over the basics, and it’s primary theme is: If you’re serious about becoming a serious author, you need to put theses five keys in place. It gives tips on getting started, and could benefit from a few visuals and real world examples. I also wish that it had introduced Good Reads. However, it succeeds in telling you what you need to do to start building your author platform.
To further develop any of these keys, you’ll have to find books that really delve into each specific subject.