New York, Putnam, 1959. First edition, first impression. Hardback. A very good copy in a good jacket. A highlight of Heinlein collecting, and scinece fiction in general. Some chipping to the top of the spine, a little to the lower edge. The front fold is split along about half the length, a little chipping to the corners. Price sticker to the rear plate. A little tanning to the rear. A little bumping to the spine tips. [9532, Hyraxia Books].