Hardcover
(Doubleday & Co., Inc., Garden City, NY, March 15, 1959)
Nine stories: Profession; The Feeling of Power; The Dying Night; I'm in Marsport without Hilda; The Gentle Vultures; All the Troubles of the World; Spell my Name with an S; The Last Question (one of Asimov's most often requested stories); and The Ugly Little Boy (Asimov's own personal favorite).