Growing up at Madam Opera's Estimable Marine Society for Foundling Boys and Girls, Rossamund Bookchild - a boy with an unfortunate name - has led a life sheltered from the dangers of the world. But this all changes the day the man with the strange red-and-pale-blue eyes recruits him into the service of the Emperor. Rossamund has been drafted into the ranks of the Half Continent's "Lamplighters…