From the New York Times bestselling author of The Iron Druid Chronicles comes the final book in the "action-packed, enchantingly fun" (Booklist) Ink & Sigil series, as an ink-slinging wizard pursues the answer to a very personal mystery: Who cast a pair of curses on his head? Al MacBharrais has a most unusual job: He's a practitioner of ink-and-sigil magic, tasked with keeping order among the gods and monsters that dwell...