I'm in the middle of his 1996 follow up book, "Dark Sun: The Making of the Hydrogen Bomb" (http://www.amazon.com/Dark-Sun-Making-Hydrogen-Bomb/dp/0684824140 htt

I'm in the middle of his 1996 follow up book, "Dark Sun: The Making of the Hydrogen Bomb" (http://www.amazon.com/Dark-Sun-Making-Hydrogen-Bomb/dp/0684824140 http://www.amazon.com/Dark-Sun-Making-Hydrogen-Bomb/dp/06848...). The book details the Soviet nuclear program, as well as the truly massive amount of espionage that was going on at the various locations of the Manhattan project.