New York: Gnome Press, 1953. First / First. Hardback. A fine copy. First hardback edition, published earlier in Startling Stories in 1948 (making it Clarke's first novel). Subsequently expanded and published as The City and the Stars. A little bumping to the spine tips at the boards, owner's name and.....

New York: Gnome Press, 1951. First / First. Hardback. A very good copy. Some offsetting to the free endpapers and rubbing to the boards. Spine tips bumped. Pen inscription on front pastedown. Jacket is a bit faded with a little edgewear.