The Black Bird Oracle DeckA 52 Card Deck and Guidebook Diana Bishops family oracle deck from the beloved novel The Black Bird Oracle comes to life in this magical 52 card deck from the #1 New York Times bestselling author of A Discovery of Witches, Deborah Harkness. The Black Bird Oracle Deck is a recreation of the seventeenth century deck that plays a pivotal role in The Black Bird Oracle, the fifth novel in the beloved All Souls series. Handed down in the Proctor family for