The Hazards of Space Travel: A Tourist's Guide
Explores the dangers in space associated with: low gravity, radiation, impacts, atmospheres, surface activity, water, and mental and physical health, among others.
Heavenly Errors: Misconceptions About the Real Nature of the Universe
Explores typical misconceptions about astronomy, their origins, how we keep them and fight off changes to our beliefs, and how to replace them.
What if the Moon Didn't Exist: Voyages to Earths that Might Have Been
Ten small variations to our local astronomical environment that lead to gigantic alterations to the earth and life upon it.
