In the centuries since there have been gifted sisters whose lives were less anguished—Maria Anna (“Nannerl”) Mozart, Fanny Mendelssohn, Gwen John—but who were long overshadowed by their more eminent brothers. In our time, however, these sister-artists are being given fresh attention and revaluation. None is more remarkable than Bronislava Nijinska, the radical dancer-choreographer sister of the legendary radical dancer-choreographer Vaslav Nijinsky. Yet Lynn Garafola’s La Nijinska: Choreographer of the Modern is the first full-length biography of this singular creator.