dark horse/ˈd rk ˈˌh rs/ noun 1. a candidate or competitor about whom little is known but who unexpectedly wins or succeeds."a dark-horse candidate"Join editor Robert Weller for a curated tour of nine writers who always give as good as they get. From hard science-fiction (James C. Glass' Singularity for Hire) to dark and brutal prehistoric apocalypses (Wayne Kyle Spitzer's A Survivor's Guide to the Dinosaur Apocalypse), from Lovecraftian...