Out of this world

The fun they had / Issac Asimov -- To serve man / Damon Knight -- Starlight, starbright / Al Nussbaum -- Hail and farewell / Ray Bradbury -- A bowl of biskies makes a growing boy / Raymond F. Jones -- The new semester / Douglas McLeod -- The third level / Jack Finney -- Prone / Mack Reynolds -- Trouble with time / Arthur C. Clarke -- Desertion / Clifford D. Simak -- A bad day for sales / Fritz Leiber -- The rule of names / Ursula K. LeGuin -- Betelgeuse bridge / William Tenn -- Unready to wear / Kurt Vonnegut Jr.