"After narrowly escaping the Congregation of vampires, witches, and daemons, Diana and Matthew are hiding in time in the fascinating and treacherous world of Elizabethan London. Here, they must find a powerful witch teacher to help Diana control her magic and search for the elusive Book of Life. Enemies are everywhere, the threat to witches is growing, and Diana and Matthew's romance faces a barrage of new threats - from within as much as without....