Book of life. Deborah Harkness. 2015.

After travelling through time to Tudor London, historian and witch Diana Bishop and vampire scientist Matthew Clairmont are now back in the present to face new crises and old enemies.

At Matthew’s ancestral home in France they reunite with their families with one heart-breaking exception. But the real threat to their future is yet to be revealed, and when it is, the search for the elusive manuscript Ashmore 782 and its missing pages takes on a terrifying urgency. Using ancient knowledge and modern science, from the palaces of Venice and beyond, Diana and Matthew will finally learn what the witches discovered so many centuries ago.