Shadow of Night

Shadow of Night is the second installment of the All Souls Trilogy written by Deborah Harkness. It was published in July of 2012 by Penguin Books and was on the New York Times bestseller list.

Summary
Diana Bishop and Matthew Clairmont timewalk to Elizabethan London, on a mission to find  Ashmole 782 as well as a  witch to teach Diana how to control her magic. There, they are immersed in a world of fear, secrets, and deceit. While Diana tries to get a grasp on the magic within her, Matthew struggles with his past surrounding him and the secrets of a 1,500 year old vampire. Going back into the past is not as simple as these two thought it would be.