Hetty Rhodes and her husband, Benjy, were Conductors on the Underground Railroad, ferrying dozens of slaves to freedom with daring, cunning, and magic that draws its power from the constellations. With the war over, those skills find new purpose as they solve mysteries and murders that white authorities would otherwise ignore. In the heart of Philadelphia's Seventh Ward, everyone knows that when there's a strange death or magical curses causing trouble,...

It will take something extraordinary to show four women who they truly are . . . October 1840. A young woman staggers alone through a forest in the English countryside as a huge pair of impossible wings rip themselves from her shoulders. In London, rumors of a "fallen angel" cause a frenzy across the city, and a surgeon desperate for fame and fortune finds himself in the grips of a dangerous obsession, one that will place the women he seeks in the...