This lively diary also serves as an informal record of post-war America, a more hopeful country than it is today. Truman was president and, victorious in the Second World War, the country was still showing many of the benefits of Roosevelt’s New Deal. Judy Montagu was twenty-three when she set off on her solo Greyhound adventure on 25 April 1949, but had already had a full life. She was the daughter of Venetia Stanley — adored by Prime Minister Herbert Asquith — and of Edwin Montagu, though DNA later showed that Eric Adnam, future Earl of Dudley, was Judy’s father.