In 1896, author Arthur Morrison gained notoriety for his bleak and violent A Child of the Jago, a slum novel that captured the desperate struggle to survive among London's poorest. When a reviewer accused Morrison of exaggerating the depravity of the neighborhood on which the Jago was based, he incited the era's most contentious public debate about the purpose of realism and the responsibilities of the novelist. In his self-defense and in...