 "The Moon Is a Harsh Mistress" tells of a war of independence waged by the Lunar penal colonies, with significant comments from a major character, Professor La Paz, regarding the threat posed by government to individual freedom.Although Heinlein had previously written a few short stories in the fantasy genre, during this period he wrote his first fantasy novel, "Glory Road".In "Stranger in a Strange Land" and "I Will Fear No Evil", he began to mix hard science with fantasy, mysticism, and satire of organized religion.