[en] Cosmology in Vedanta - The Physics Correlation Princeton University Press
[en] The Black Hole Universe Smashwords Edition
[en] Exploding Stars and Invisible Planets Columbia University Press
[en] Space Debris and Other Threats From Outer Space Not Avail
[en] Living Wasteland MayVaneDay Studios
[en] The Hole in the Universe · How Scientists Peered Over the Edge of Emptiness and Found Everything Houghton Mifflin Harcourt
[en] Moon Lander · How We Developed the Apollo Lunar Module Smithsonian Books
[en] Moonshot · The Inside Story of Mankind's Greatest Adventure Ebury Digital
[en] A brief history of time · from the big bang to black holes Bantam Books
[en] Where Is Everybody? Copernicus Books
[en] How Apollo Flew to the Moon Springer
[en] Astrophysics Arcturus Publishing
[en] The Tunguska Mystery Springer
[en] Riding Rockets · the Outrageous Tales of a Space Shuttle Astronaut Scribner Book Company
[en] Black Holes Twenty-First Century Books (Tm)
[en] [Outward Odyssey: A People's History of Spaceflight 03] • To a Distant Day · the Rocket Pioneers University of Nebraska Press
[en] Illustrated Theory of Everything · the Origin and Fate of the Universe Phoenix Books