Impossible Futures: An Anthology by Allen M. Steele and Rev. DiCerto and Sara Smith and Justus Perry and Jack McDevitt and Shariann Lewitt and Paul Di Filippo and Fran Wilde and Edward M. Lerner and Jeff Hecht and Debra Doyle and James D. Macdonald and Duncan Eagelson and Mike Resnick and James K. Morrow