"The Saturnalia carnival marks three years since Nina walked away from Philadelphia’s elite Saturn Club—with its genteel debauchery, arcane pecking order, and winking interest in alchemy and the occult. In doing so, she abandoned her closest friends and her chance to climb the social ladder. Since then, she’s eked out a living by telling fortunes with her Saturn Club tarot deck, a solemn initiation gift that Nina always considered...