Analog Science Fiction/Science Fact, Vol. 107, No. 4, April 1987

• An Alien Viewpoint by C.S. Bushnik• A Hole in the Sun by Roger MacBride Allen• Biolog: David Hardy by Jay Kay Klein• Universe—The Ultimate Artifact ? by Richard D. Meisner• The Lesser Magic by Gregory Kusnick• Strings and Things by John G. Cramer• Spectral Expectations by Linda Nagata• On Gaming by Matthew J. Costello• The Smoke Ring (Part 4 of 4) by Larry Niven• Independents by Eric Vinicoff• The Reference Library by Thomas A. Easton • Review: Stalking the Unicorn by Mike Resnick by Thomas A. Easton • Review: Vector by Rob Swigart by Thomas A. Easton • Review: Timeshadow Rider by Ann Maxwell by Thomas A. Easton • Review: A Hidden Place by Robert Charles Wilson by Thomas A. Easton • Review: The Beast of Heaven by Victor Kelleher by Thomas A. Easton • Review: Arc of the Dream by A. A. Attanasio by Thomas A. Easton • Review: Wild Cards by George R. R. Martin by Thomas A. Easton • Review: ... And the Lurid Glare of the Comet by Brian W. Aldiss by Thomas A. Easton • Review of the nonfiction work "Envoys of Mankind" by George S. Robinson & Harold M. White, Jr. by Thomas A. Easton• A Calendar of Upcoming Events by Anthony R. Lewis