Sofia is a woman from Mundania then the Good Magician's Castle in Xanth. Her talent is sorting socks. She was first introduced in Question Quest.
Sofia is the wife of Humfrey and mother of Crombie.
Sofia was chosen for her domestic acumen from Mundania by Humfrey. She is the author of a play on Ptero. She is sometimes called Sofia Socksorter.
Novels: Question Quest, The Color of Her Panties, Harpy Thyme, Yon Ill Wind, Faun and Games, Swell Foop, Cube Route, Currant Events, Two to the Fifth, Board Stiff, Isis Orb, Ghost Writer in the Sky