Deborah Harkness (born 1965) is an American novelist and historian, primarily known for her critically acclaimed All Souls Trilogy. Harkness holds a PhD in History and initially began writing fiction in 2008 after being inspired by her academic background. Her writing style blends historical detail with fantastical elements, creating richly imagined worlds and complex characters. Harkness’s meticulous research is a hallmark of her work, bringing a unique authenticity to her stories, particularly within the context of the occult and medieval history.








