"All-new Introduction by Mark Van Name. Two classic Robert A. Heinlein novels in onevolume: The Man Who Sold the Moon and Orphans of the Sky. Journeys intospace, one taking humans to space by hook or by crook, the other the classicfirst time tale of a generation vessel with passengers who do not realize theyare in a spaceship.Two classic Robert A. Heinlein novels in one volume, with an all-new introduction by Mark L. Van Name, author of the Jon and Lobo military SF series. The Man Who Sold the Moon: D. D. Harriman is a billionaire with a dream: the dream of space for all mankind. The method? Anything that works. Maybe, in fact, Harriman goes too far. But he will give us thestar. Orphans of the Sky Hugh had been taught that, according to the ancientsacred writings, the Ship was on a voyage to faraway Centaurus. But he also understood that this must beallegory for a voyage to spiritual perfection. After all, the real world was only metal corridors and nothing else,right? And then Hugh begins to suspectthe truth. Twoall-time classics from seven-time Hugo winner and Dean of Science Fiction, Robert A. Heinlein. About Robert A. Heinlein: "Not only America's premier writer of speculative fiction, but the greatest writerof such fiction in the world." Stephen King. "One of the grand masters of science fiction"--