The year is 1932. Frederick Ashton is living in Earls Court and Anton Dolin ('will ere long be proclaimed the rival and successor of Nijinsky') in bohemian Chelsea. Ninette de Valois is hobnobbing with the Bloomsbury Group, while little Alicia Markova is exiled to North Kensington. Less illustrious figures are running dancing schools everywhere from Glasgow to Truro. Across the channel Serge Lifar ('who possesses an important collection of pictures by well-known artists connected with the ballet') is lording it at the Paris Opera, while Danilova and Balanchine are cohabiting in the 17th...