What Might Have Been

Alternate Empires by Frederik Pohl, Poul Anderson, James K. Morrow, Karen Joy Fowler, George Alec Effinger, James P. Hogan, Harry Turtledove, Gregory Benford, Robert Silverberg, Barry N. Malzberg, Martin H. Greenberg, Larry Niven, Kim Stanley Robinson

Alternate Empires

What Might Have Been #1

Frederik Pohl, Poul Anderson, James K. Morrow, Karen Joy Fowler, George Alec Effinger, James P. Hogan, Harry Turtledove, Gregory Benford, Robert Silverberg, Barry N. Malzberg, Martin H. Greenberg, Larry Niven, Kim Stanley Robinson

fiction science fiction adventurous challenging medium-paced

292 pages | first published 1989

Alternate Heroes by Gregory Benford, Martin H. Greenberg

Alternate Heroes

What Might Have Been #2

Gregory Benford, Martin H. Greenberg

fiction science fiction adventurous challenging fast-paced

354 pages | first published 1989

Alternate Wars by Gregory Benford

Alternate Wars

What Might Have Been #3

Gregory Benford

fiction science fiction informative reflective medium-paced

304 pages | first published 1991

Alternate Americas by Gregory Benford, Martin H. Greenberg

Alternate Americas

What Might Have Been #4

Gregory Benford, Martin H. Greenberg

fiction science fiction short stories adventurous slow-paced

320 pages | first published 1992
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