Haskell on the dancer, the editor on the choreography, Maine on the score, Lambert on music and action, Renois on the decor and costume, Sokolova on the role and Anthony Asquith on the ballet and the film. With the ballet's season just begun, ballet books should take on a new life. This newcomer to the list offers expert opinions on the various component parts of ballet and as such differs somewhat from its predecessors.