Pyramids of Mars 
This is a serialized digital graphic novel. 
The Story..
The future is now. You will see the earth invaded by the evil T'hee, humanity imprisoned and you will travel to Mars. You will learn the secrets of the Pyramids of Mars and witness the fight to save humanity. Install Book 1 (\mindmatters\ebooks\pyramidsofmars\POM_b1.exe)
Install Book 2 (\mindmatters\ebooks\pyramidsofmars\POM_b2.exe)
Install Book 3 (\mindmatters\ebooks\pyramidsofmars\POM_b3.exe)

NOTE: (1) Parental Advisory : Some scenes contain violent situations. (2) You can install this novel on your computer. Each chapter consists of about 25 640 X 480 high-quality frames. It should be viewed with your monitor set for thousands or millions of colors. 

Free
http://www.pyramidsofmars.com/