Dallas McCord "Mack" Reynolds (1917 - 1983) was an American science fiction writer. His pen names included Dallas Ross, Mark Mallory, Clark Collins, Dallas Rose, Guy McCord, Maxine Reynolds, Bob Belmont, and Todd Harding.He was a considerably popular author from the 1950s to the 1970s, especially with readers of science fiction and fantasy magazines. Reynolds was the first author to write an original novel based upon the 1966-1969 NBC television series Star Trek. The book, Mission to Horatius (1968), was aimed at young readers. In this book: Potential Enemy Black Man's Burden Frigid Fracas Expediter Combat Border, Breed Nor Birth Freedom Dogfight-1973 Medal of Honor I'm a Stranger Here Myself Adaptation Mercenary Gun for Hire Revolution Summit Subversive The Common Man