Leapfrog

Overview:

• Title: Leapfrog
• Author: James P. Hogan
• Year: 1989
• Type: Short Fiction

Editions/Publications:

• 1989. What Might Have Been? Vol I: Alternate Empires (1989, Gregory Benford, Martin H. Greenberg Bantam, ISBN-10: 0553278452, $4.50, 291 pages, Paperback, Anthology)
• 1999. Rockets, Redheads & Revolution (April 1999, James P. Hogan Baen, ISBN-10: 0671578073, $6.99, 343 pages, Paperback, Collection)

Resources: