I found it easy to understand, and helpful in explaining why I should concentrate on sales, not reviews, and plan on getting the genre correct so Also Boughts are also in the same genre, which helps readers choose to buy the books.
You have to sign up for his mail list, and you will get the link to download the ebook. If you don't want to remain on his mail list just go back in and unsubscribe. He won't care. :-)