Analog Science Fiction / Science Fact June 1987 Good-

Analog Science Fiction Science Fact December 1987 Bujold/Anvil/Gribbin

Analog Science Fiction / Science Fact Mid-December 1987 Good

Analog Science Fiction/Science Fact Vol. 107 #12 and #13 1987 Vintage

Analog Science Fiction / Science Fact January 1987 Good

Analog Science Fiction / Science Fact September 1987 Very Good

Analog Science Fiction/Science Fact(Astounding) Magazine December 1987 Like New

Analog Science Fiction - Science Fact - Multiple Titles to Choose From 1975-1989