Harkness, Deborah E. 1965- A discovery of witches. A novel Deborah E Harkness - New York : Viking, 2011 - 579 p. 24 cm - All souls trilogy, bk. 1. . ISBN: 978-0-670-02241-0 Subjects--Topical Terms: Vampires --Fiction.Witches--Fiction.Alchemy , Manuscripts--Fiction.