Goodreads is a social media site that is focused on books. I had not heard much of it before, but I ran across references to it as I was preparing to write the book. I just joined a few weeks ago and obtained Author status. As soon as I had produced the print version of the book (with an ISBN) I was able to link the book to my profile.

Goodreads offers authors the opportunity to promote their books in several ways, some paid and some free. One somewhat free way to promote a book is to offer a...