Issue three of Lightspeed features an exciting mix of fiction and nonfiction. Fiction selections include “How to Become a Mars Overlord” by Catherynne M. Valente, “Patient Zero” by Tananarive Due, “Arvies” by Adam-Troy Castro, and “More Than the Sum of His Parts” by Joe Haldeman. The nonfiction lineup includes “Dear Mars” by Pamela Gay, “Bangs & Whimpers: A Look at the Top Five Doomsday Scenarios” by Carol Pinchefsky, an interview with Robert J. Sawyer conducted by Andrea Kail, and “Cyborg-netics” by Matt London.