In this Horse Diaries -meets- Dog Diaries Special Crossover Edition, a horse with a bad reputation meets his match in a no-nonsense fire dog and the biggest, hottest flames Chicago has ever seen In the 1800s, firefighters needed horses to pull the fire trucks. But horses spook easily and run away from fire--so they needed fire dogs. Cinders is a dappled gray horse with a bad reputation. When he first arrives at the firehouse, he refuses to even enter...