New York: The Gnome Press, 1948. First Edition (stated). SIGNED by both authors on front free endpaper with dedication in Pratt's hand to Julius Unger, a noted SF dealer, publisher, and member of First Fandom. Octavo (8.25"" x 5.5""); 230p. Original dustjacket with $3.00 price; book in blue cloth with red lettering. Jacket chipped at head and tail of spine with a few small tears along edges and some general toning. Boards square with light bumping to corners and some fading to top edge. Binding is sound and pages are unmarked. Initial release of The Gnome Press. [AB-155]