Everything you need to understand or teach The Black Bird Oracle by Deborah Harkness.
When a powerful witch, Diana, and her vampire husband Matthew try to settle into a normal life, they are called to test the magical capabilities of their children and, if needed, seal their power away. Desperate to stop her children from experiencing the same pain as her, Diana accepts an invitation from a great-aunt she has never met to move into the mysterious Ravenwood estate and confront the mysteries of her family’s past. This book explores themes of legacy, personal dreams, and the price of power.