Series
The The Age of Blood series has 2 books.
Shan LeClaire, daughter of a disgraced Blood Worker, has spent her life perfecting blood magic and building a spy network. When she assassinates her father to protect her brother, she assumes leadership of the family and plunges into a world of deadly political intrigue. First in a dark fantasy seri
All 2 books total 896 pages.
The Books Oracle — track the series you are partway through, and see what to read next.