Worlds of If Science Fiction #108

Worlds of If - 108 - November 1966

Frederik Pohl with Larry Niven (Contributor), C. C. MacApp (Contributor), Keith Laumer (Contributor), Lester del Rey (Contributor), Mike Hill (Contributor), Thurlow Weed (Contributor), J. T. McIntosh (Contributor), Robert Silverberg (Contributor), John T. Sladek (Contributor)