Earthsea is a well-planned universe, Ged is a rich and deep protagonist, and the stories full of suspense. It also attracts young adults by exploring issues of identity, balance and responsibility without becoming too philosophical for a good read.
A book about a man about to step into a dog poo? Doyle keeps the suspense building throughout. And he has a brilliantly funny way of telling this story, with plenty of entertaining diversions— and some subtle references for adults to appreciate.