In reading order
A Discovery of Witches
Deborah Harkness
Shadow of Night
Deborah Harkness
Shadow of Night
Deborah Harkness
The Book of Life
Deborah Harkness
The Black Bird Oracle
Deborah Harkness
A Discovery of Witches
Deborah Harkness
The World of All Souls
Deborah Harkness
The World of All Souls
Deborah Harkness
The Black Bird Oracle
Deborah Harkness