Introduction / J. Dann -- Breckenridge and the continuum / R. SIlverberg -- The childhood of the human hero / C. Emshwiller -- John's other life / J. Haldeman -- Trigononomy / R. Moore -- Barnaby's clock / R.A. Lafferty -- The arrangement / B. McAllister -- The union forever / B.N. Malzberg -- The birdlover / J.L. Green -- The man who saw Gunga Din thirty times / B. Bova -- The transition trolley / J. Howell -- Going to the beach / G. Wolfe -- The soul of a servant / J. Russ.