You can earn a 5%
commission by selling Handbook of Ship Calculations, Construction and Operation; a Book of Reference for Shipowners, Ship Officers, Ship and Engine Draughtsmen, Marine Engineers, and Others Engaged in the Building and Operating of Ships
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!