9 AUGUST 1975, page 19

The Minor Key

Arianna Stassinopoulos Paul Hindemith The Man Behind the Music Geoffrey Skelton (Gollancz 66.00) There is an irresistible urge among the-great --and not so great — to theorise......

A Call To Arms

Robert Skidelsky The Socialist Challenge Stuart Holland (Quartet Books £5.95) In the early 'seventies it became apparent that the Labour Party was having a new idea. This was......