High Quality Content by WIKIPEDIA articles! Enemies Allies is a novel by American science fiction author Kevin J. Anderson. The book is set in the 1950s, in the midst of the Cold War, and follows Superman and Batman. Though suspicious of each other, they confront Lex Luthor who stages an international nuclear conflict and spreads fear of an alien invasion so that he can sell advanced weapons to governments. Themes used in the novel, reflective of the 1950s era, include alien invasion movies, nuclear threats, and Cold War paranoia.