Volume CXXXXI, No. 1 & 2. Contents: 4 • Monumental Thinking • [Editorial (Analog)] • essay by Rosemary Claire Smith 8 • Mixed Marriage • novelette by Dan Helms 22 • Constructing a Habitable Planet • [Science Fact (Analog)] • essay by Julie Novakova 29 • Julie Nováková? • [Biolog] • essay by Richard A. Lovett 30 • My Hypothetical Friend • short story by Harry Turtledove 41 • In Times to Come (Analog, January-February 2021) • [In Times to Come (Analog)] • essay by uncredited 42 • A Shot in the Dark • novelette by Deborah L. Davitt 53 • Photometric Evidence of the Gravitational Lensing of SAO23820 by a Nonluminous Low-Mass Stellar Object • short story by Jay Werkheiser 58 • Conference of the Birds • short story by Benjamin C. Kinney 64 • Interstellar Pantomime • short story by Martin Dimkovski 68 • Matter and Time Conspire • short story by Sandy Parsons 70 • The Tale of Anise and Basil • short story by Daniel James Peterson 74 • The Practitioner • short story by Em Liu 80 • What Were You Thinking? • short story by Jerry Oltion 88 • Hidden Things • poem by Jennifer Crow 89 • The Liberator • novelette by Nick Wolven 104 • The Nocturnal Preoccupations of Moths • novelette by J. Northcutt, Jr. 120 • Changing Eyes • short story by Douglas P. Marx 129 • The Last Science Fiction Story • short story by Adam-Troy Castro 130 • A Working Dog • short story by Anne M. Gibson 137 • Wave Function Collapse Revealed • [The Alternate View] • essay by John G. Cramer 140 • So You Want to Be a Guardian Angel • short story by Michael Meyerhofer 144 • Choose One • short story by Marie DesJardin 148 • We Remember Better • short story by Evan Dicken 150 • The Last Compact • short story by Brian Rappatta 156 • Riddlepigs and the Cryla • short story by Raymund Eich 164 • Belle Lettres Ad Astra • novelette by Norman Spinrad 176 • If • poem by Bruce McAllister 177 • By the Will of the Gods • novelette by Charles Q. Choi 196 • The Reference Library (Analog, January-February 2021) • [The Reference Library] • essay by Don Sakers 202 • Brass Tacks (Analog, January-February 2021) • [Brass Tacks] • essay by various 202 •  Letter (Analog, January-February 2021) • essay by Rick Norwood 202 •  Letter (Analog, January-February 2021) • essay by John Vester 203 •  Letter (Analog, January-February 2021) • essay by Cy Chauvin 204 • 2020 Index (Analog, January-February 2021) • [Index (Analog)] • essay by uncredited 207 • It's Anlab Time Again (Analog, January-February 2021) • [The Analytical Laboratory] • essay by uncredited 208 • Upcoming Events (Analog, January-February 2021) • [Upcoming Events] • essay by Anthony R. Lewis 【 PREVIOUS ISSUE ← January/February 2021 → NEXT ISSUE 】