If you have a website or blog, you can earn affiliate commissions on Progressive Press e-books, currently 20% of net sales and 25% on Subverting Syria. Also, when customers follow your link and buy other books from Smashwords, you earn from 11% up to 82% on those books as well. Here's how to do it
Go to http://www.smashwords.com/about/affiliate to read about it and sign up.
Then put this link on your web page
At the same time you're helping us spread the message, you're also helping indie publishers fight against monopoly concentration on the internet. Moreover, Amazon offers affiliates a maximum of only 8.5% on e-books.