The Little Lame Prince by Miss Mulock

Paralyzed in an accident while a baby, young Prince Dolor is imprisoned in a lonely tower by his usurping uncle. He is visited by his mysterious godmother who provides him with magical gifts, including a traveling cloak that allows him to fly across the land. He uses his gifts to return to his rightful place on the throne. Also included are several short stories by the author also featuring princes. (Chapters 12-15)