Deborah Harkness exploded onto the literary scene with her debut novel, A Discovery of Witches: A Novel , Book One of the magical All Souls Trilogy. The novel introduced Diana Bishop, Oxford scholar and reluctant witch, and the handsome geneticist and vampire Matthew Clairmont. Now, picking up from the first book’s cliffhanger ending, Shadow of Night: A Novel plunges Diana and Matthew into Elizabethan London.