The Book of Life (Harkness novel)

Having returned from their refuge in 16th century London to find a family member dead, Diana and Matthew embark on a mission of revenge, seeking the final pages of the Book of Life, and bringing justice to witches and vampires that have wronged them. Diana is now a member of the de Clermont family. They find the black sheep of the family, Benjamin, Matthew's disavowed son and dispose of him. Matthew's genetics work progresses, with the help of a Yale scientist, and they are able to remove the charter of Covenant, meaning inter-species marriage is possible. It had originally been drawn up based on fear and stereotypes the old generation held.

The Book of Life was met with generally positive reviews from literary critics. Paula L. Woods of the Los Angeles Times noted "Harkness' ambitious melding of scientific and historical detail is inventive and brings surprising depth to such real-life societal scourges as racial purity and miscegenation."[1] However, Woods also criticised a noticeable lack of continuity between previous novels in the series, stating "characters occasionally fail to acknowledge each other despite interactions in previous novels, and the date of an infamous attempt to steal the British crown jewels is off by a few hundred years.[1]