Soul Music (Discworld)
Soul Musicis the 16th book in the bestselling Discworld series, with close ties to the fourth book,Mort.  Susan Sto Helit is rather bored at her boarding school in the city of Ankh-Morpork, which is just as well, since it seems that her family business--she is the granddaughter of Death--suddenly needs a new caretaker.--Blaise Selby