You can earn a 8%
commission by selling First Impressions: Printing in Cambridge, 1639-1989: An Exhibition at the Houghton Library and the Harvard Law School Library, October 6-27, 1989 (Houghton Library Publications)
on your website. It's easy to get started - we will give you example code.
After you're set-up, your website can earn you money while you work, play or even sleep!
You should start right now!