![Colony Mars Ultimate Edition: Books 1-5 of the Highly Entertaining Hard Sci-Fi Thriller. by [Kilby, Gerald M.]](https://images-na.ssl-images-amazon.com/images/I/41BUj%2BCl0kL.jpg)
by Gerald M. Kilby
#1 Best Seller in Hard Science Fiction!
This box set contains all five Colony Mars novels plus an exclusive short story:
– Colony One Mars
– Colony Two Mars
– Colony Three Mars
– Colony Four Mars: Jezero City
– Colony Five Mars : Surface Tension
… and a brand new short story: “Gizmo Origin”
Today’s Bargain Price: $0.99
Or FREE with 
Everyday Price: $9.99
Deal Ends: 1/1/20201
Categories: All Science Fiction; Bestsellers