Below are are a number of books that should help you gain the knowledge and understanding required for the competition. These books can serve as a reference for your research. The first book is particularly recommended and should give you a standard grounding specifically based on the competition requirements. We strongly recommend that you visit the Nasa-ssdc website where you can find a larger variety of books on the subject as well as as past model projects. Foolw the link to proceed to the nss website http://settlement.arc.nasa.gov/Contest/