The Case for the Moon is still being edited and so not yet published. But, if you have been looking at the book or listening to the audio version and would like to contribute to the goal of further spreading the availability of the book then please donate to our parent non-profit at: The Mars Foundation Our printing costs are currently $9.50 (not including shipping). We place the value of the book at $15. Therefore, any donation above $15 can receive a tax-deductable receipt. Any donations will go to help distribute the book including to members of the club, Students for the Exploration and Development of Space (SEDS). Thanks!