18 books • 7 series
Book #10: Certain Justice
Book #11: Death in Holy Orders
Book #14: The Private Patient
Book #14: Muerte En La Clinica Privada
Book #1: Cover Her Face
Book #2: A Mind to Murder
Book #3: Unnatural Causes
Book #4: Shroud for a Nightingale
Book #5: Black Tower
Book #1: Know Your Poisonous Plants