Shadow of the Night (2012)
(All Souls Trilogy book 2)
by Deborah Harkness
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In Elizabethan London, Oxford scholar and reluctant witch Diana Bishop seeks a magical tutor, while vampire geneticist Matthew Clairmont confronts elements from his past at the same time the mystery of the enchanted manuscript Ashmole 782 deepens. Book one of the trilogy is Discovery of Witches.