Agrippina Vaganova (1879-1951) is revered as the visionary who first codified the Russian system of classical ballet training. The Vaganova Academy of Russian Ballet, founded on impeccable technique and centuries of tradition, has a reputation for elite standards, and its graduates include Mikhail Baryshnikov, Rudolf Nureyev, Natalia Makarova, and Diana Vishneva. Yet the Vaganova method has come under criticism in recent years. In this absorbing...