Deep in the stacks of Oxford's Bodleian Library, young scholar Diana Bishop unwittingly calls up a bewitched alchemical manuscript in the course of her research. Descended from an old and distinguished line of witches, Diana wants nothing to do with sorcery; so after a furtive glance and a few notes, she banishes the book to the stacks. But her discovery sets a fantastical underworld stirring, and a horde of daemons, witches, and vampires soon...

Deborah Harkness exploded onto the literary scene with her debut novel, A Discovery of Witches, Book One of the magical All Souls Trilogy and an international publishing phenomenon. The novel introduced Diana Bishop, Oxford scholar and reluctant witch, and the handsome geneticist and vampire Matthew Clairmont; together they found themselves at the center of a supernatural battle over an enchanted manuscript known as...