I, ROBOT, Gnome Press, 1950, first edition, fine in vg/vg+ dust-wrapper with some light rubbing to the front dust-wrapper panel and fading to about half the dust-wrapper spine. Laid in is a 42 word typed postcard SIGNED Isaac to long time friend Sam Moskowitz dated 1/29/67 thanking Moskowitz for a royalty check for his contribution to MODERN MASTERPIECES OF SCIENCE FICTION, a book he (Moskowitz) edited.