DragonKnight, by Donita K Paul, is a fun read!

This is the third book in Mrs. Paul's dragon series. In this sequel to Dragonspell, young squire Bardon has left the city in hopes of a quiet sabbatical in a cabin beside a lake with his dragon. In stead he finds the emerlindians, Granny Kye and N'Rae, waiting for a knight's aid in the search for a son and father. His sabbatical delayed, Brandon learns that Wulder has plans for him to help the two ladies in their quest. The quest must be completed on time, but they face delays and problems every step of the way.