Analog Science Fiction / Science Fact June 1987 Good-

Analog Science Fiction / Science Fact December 1987 Good

Analog Science Fiction Science Fact Magazine January 1987 NIVEN ASIMOV STEWART

Analog Science Fiction / Science Fact Mid-December 1987 Good

Analog Science Fiction / Science Fact September 1987 Very Good

Analog Science Fiction Science Fact January, February, March 1987

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

Analog Science Fiction And Fact July 1987 & January 2003