Everything you need to understand or teach The Familiar by Leigh Bardugo.
The Familiar is a historical fantasy novel following a servant Luzia, who is forced to use magic to help her mistress Valentina improve the family fortune. This puts both in the path of Antonio, the king’s disgraced secretary who is willing to do anything to regain the king’s favor. As Luzia fights to improve her own life, she must trust a dangerous, immortal familiar to protect her from the Inquisition, even though his secrets may kill them both. This novel explores themes of ambition, religion, and the connection between luck and privilege.