Few authors have achieved such renown as World Fantasy Life Achievement honoree and Science Fiction Writers of America Grand Master, Andre Norton. With the love of readers and the praise of critics, Norton's books have sold millions of copies worldwide.In Arvon, the ancient powers answer those who know how to call, and the blood of the wereriders flows in the veins of those who are both man and cat.  Kethan was heir to the great house of Car Do Prawn because his mother's evil Wise Woman had tampered with another's birthright.But one day Kethan was given a belt of incredible beauty and great power.  From that moment, his future was again in other hands —and his body in a strange new form . . .