Fantasy Book read in 2000s
Book is a long series consisting of at least 3 books.
Book is about a male wizard who starts off doing an audit of a staff/wand factory and gets fired.
Goes home and applies to be a court magician in a different country.
Said different country is in the desert and he is to teach the prince/princess of magic. Princess becomes main character and is described as comely because she didn't want to get married off.
Edit: location is au england
by bean2595