Publicado por Tor, 1997
Librería: THE FINE BOOKS COMPANY / A.B.A.A / 1979, ROCHESTER, MI, Estados Unidos de America
Original o primera edición
First Edition. FREE SPACE, Tor, 1997, first edition, fine in wraps. Uncorrected proof with original contributions by Poul Anderson, John Barnes, Gregory Benford, Ray Bradbury, Robert J. Sawyer, L. Neil Smith, Robert Anton Wilson, William F. Buckley, James P. Hogan, et.al. Edited by Brad Linaweaver & Edward E. Kramer.