Does giving away your books lead to more readers, and in turn, more fans? I’ve long read of the marketing effectiveness of giving away books using the Giveaways option at Goodreads.com. And though I’ve conducted one giveaway in the past (for Stranger Will) I’ve not yet been able to confidently attribute any gains in readership or sales due to that giveaway. With this attribution gap in mind, I set out to conduct a giveaway for As a Machine and Parts, that would allow me to more precisely measure the value of a Goodreads.com user. My conclusion: a Goodreads.com user stands a great chance of becoming a reader. The setup I listed a 2 copy giveaway for As a Machine and Parts to take place between 2/3/2012 and 2/15/2012. During this time the giveaway received a total of 398 entries. After the giveaway was closed for entries, I followed up with…