The writer Evelio Rosero has never been one to shy away from the darker aspects of Colombia's history and society. His magnificent Stranger to the Moon portrays a world that seems to exist outside history and geography, but taps into the dark myths and collective subconscious of his country's harrowing inequality and violence. A parable of pointed social criticism, with naked humans imprisoned in a house to serve the needs of "the vicious clothed-ones,"...