And They Went Up, Volume IV of the Saga of Fallen Leaves, follows the eternal struggle between Angels and Demons, who do battle for their lords, God and Satan. Anna Gold and Anorexia Nervosa Perplexus are faced with the burden of protecting not only themselves, but also those they love. The escalating conflict threatens to destroy all things, Mortal and Celestial alike. The Angel and the Demon are haunted by past alliances and misdeeds. Still, they search for some small measure of happiness in a world of suffering. These intrepid combatants take part in some of the modern era's bloodiest battles from the trenches of Verdun to the jungles of Indochina and the steppe of Ukraine. One conflagration after another tests the will and strains ancient loyalties. Every decision influences both the greater conflict and the course of history.