This is the L.W. Currey Gnome Press Binding A (blue boards with yellow letters) of the first American edition. Shelf 1112 Clean and tight; signed by author on FFEP (just the author name "Arthur C Clarke") paper lightly browned; rough cut edge; small shallow eighth of inch dent to top edge of front board; DJ is covered by mylar and has some wear to surface,edges and corners including price clipped, light browning with some rubbing, very small chips at top and bottom of flap folds, areas of rubbing and small creases especially to head and foot of spine strip. There is a gift inscription on the next to last blank page "Happy Birthday To Billy from Grandma 5/31/60".