The Fatal Flame di Lyndsay Faye, 2015, Penguin

Note:
No one in 1840s New York likes fires, copper star Timothy Wilde least of all. After a blaze killed his parents and another left him with a terrible scar, he has avoided flames of all kinds. So when a seamstress turned arsonist threatens Robert Symmes, a corrupt tycoon high in the Tammany Hall...