The highly anticipated conclusion to the Stolen Heir duology by #1 Sunday Times bestselling author Holly Black.

Holly Black is the no. 1 New York Times bestselling author of fantasy books including the Folk of the Air series, The Coldest Girl in Coldtown, the Spiderwick Chronicles, her adult debut, Book of Night, and an Arthurian picture book called Sir Morien. She was a finalist for an Eisner Award and a Lodestar Award and the recipient of a Mythopoeic Award, a Nebula Award and a Newbery Honor. Her books have been translated into thirty-two languages worldwide and adapted for film. She currently lives in New England with her husband and son in a house with a secret library.