GALAXY Science Fiction: April 1971 (Volume 31, Number 5)
All illustrations by Jack Gaughan. Cover by Jack Gaughan (for "Liason Assignment.")

Novelettes: "To Fit the Crime" by Joe Haldeman (incorporated into All My Sins Rembered
"Liason Assignment" by Duncan Lunan (an "Interface" story)
"Defender of Death" by Gordon Eklund

Serial: "A Time of Changes" (Part 2 of 3) by Robert Silverberg (this was a Hugo nominee, and won the Nebula award for "best novel")

Stories: "Necessary and Sufficient" by Theodore Sturgeon (a "Merrihew" story)
"Takeover" by Ernest Taves
"The Exorcism" by J. R. Pierce

Ejler Jakobsson is editor, Judy-Lynn Benjamin is managing editor, Lester del Rey is feature editor, Jack Gaughan is Associate Art Director, Galaxy Bookshelf by Algis Budrys.