If vol 11 no 4, September 1961. Cover by Paul E. Wenzel illustrating “Spawning Ground” by Lester Del Rey.
If vol 13 no 2, May 1963. Cover by John Pederson Jr illustrating “The Green World” by Hal Clement.
If vol 13 no 2, May 1963. Cover by John Pederson Jr illustrating “The Green World” by Hal Clement.
If vol 11 no 4, September 1961. Cover by Paul E. Wenzel illustrating “Spawning Ground” by Lester Del Rey.
If vol 9 no 5, November 1959. Cover by John Pederson, Jr titled “Trick or Treat!”
If vol 9 no 6, January 1960. Cover art by Ed Emshwiller titled “Take Them to our Leaders!”
If vol 10 no 3, July 1960. Cover art by John Pederson, Jr titled “Tourists in Space.”
If vol 18 no 11, November 1968. Cover by Vaughn Bodé illustrating “Now That Man is Gone” by James Blish.
If vol 13 no 2, May 1963. Cover by John Pederson Jr illustrating “The Green World” by Hal Clement.
If vol 11 no 4, September 1961. Cover by Paul E. Wenzel illustrating “Spawning Ground” by Lester Del Rey.
If vol 10 no 3, July 1960. Cover art by John Pederson, Jr titled “Tourists in Space.”
If vol 9 no 6, January 1960. Cover art by Ed Emshwiller titled “Take Them to our Leaders!”
If vol 9 no 5, November 1959. Cover by John Pederson, Jr titled “Trick or Treat!”