All Covered Up

  Nemesis ~Isaac Asimov Doubleday (October 1989) (Original publication date 1989)

  What Might Have Been Volumes III & IV ~Gregory Benford & Martin H. Greenberg Bantam/Spectra (January 1992) (Original publication date January 1992)

  Explorers: SF Adventures to Far Horizons ~Gardner Dozoi (ed) St. Martin's Press/Griffin (April 2000) (Original publication date April 2000)

  The Ugly Little Boy ~Isaac Asimov & Robert Silverberg Doubleday (1992) (Original publication date 1991) (reworked from a 1958 short story)

  Approaching Oblivion ~Harlan Ellison Walker & Co (1974) (Original publication date 1974)

  Ox ~Piers Anthony Nelson Doubleday (1976) (Original publication date 1976)

  James Tiptree, Jr.: The Double Life of Alice B. Sheldon ~Julie Phillips St. Martin's Press (ARC; August 2006) (Original publication date August 2006