You can earn a 5%
commission by selling Annals of the South African Museum, 1908, Vol. 4: Descriptions of the Paleontological Material Collected by the Officers of the Geological Survey of Cape Colony and Others (Classic Reprint)
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!