Contents (view Concise Listing)

• 4 • Policy • [Editorial (Analog)] • essay by Stanley Schmidt
• 8 • The Most Invasive Species • novelette by Susan Forest
• 21 • In Times to Come (Analog, April 2012) • [In Times to Come (Analog)] • essay by uncredited
• 22 • Planets (Oops, Planetoids) X, Y, Z, and W: What the Kuiper Belt Teaches About the Dawn of the Solar System • [Science Fact (Analog)] • essay by Richard A. Lovett
• 30 • A Delicate Balance • short story by Kevin J. Anderson
• 36 • Ecce Signum • [Marrion's Kids] • novelette by Craig DeLancey
• 49 • The Chink in Einstein's Armor • [The Alternate View] • essay by Jeffery D. Kooistra
• 52 • To Serve Aliens (Yes, It's a Cookbook) • [Probability Zero] • short story by Eric James Stone
• 54 • You Say You Want a Revolution • short story by Jerry Oltion
• 60 • Follow-Up • short story by Stephen L. Burns
• 68 • Triggers (Part 3 of 4) • serial by Robert J. Sawyer
• 102 • The Reference Library (Analog, April 2012) • [The Reference Library] • essay by Don Sakers
• 103 •   Review: Murray Leinster: The Life and Works by Jo-an J. Evans and Billee J. Stallings • review by Don Sakers
• 103 • Review of the fanzine "Fantasy Commentator: Sam Moskowitz and A. Langley Searles Memorial Issue" edited by M. Alice Becker Searles • essay by Don Sakers
• 104 •   Review: Sentinels in Honor of Arthur C. Clarke by Gregory Benford and George Zebrowski • review by Don Sakers
• 105 •   Review: If By Reason of Strength by Jamie Todd Rubin • review by Don Sakers
• 105 • Review of "Channel 37" By Paul Lagasse and Gary Lester • essay by Don Sakers
• 106 • A Reference Library Supplement • essay by James E. Gunn [as by James Gunn]
• 106 •   Review: Fantasy Commentator, Spring 2011. Inside John W. Campbell, Based on His Letters, 1936-1952 by Sam Moskowitz • review by James E. Gunn [as by James Gunn]
• 108 • Brass Tacks (Analog, April 2012) • [Brass Tacks] • essay by uncredited
• 112 • Upcoming Events (Analog, April 2012) • [Upcoming Events] • essay by Anthony R. Lewis [as by Anthony Lewis]