Today Joan Griffiths introduces: Sarah Waterhouse Brown on 'The Enjoyment of Living'; Sybil Haddock on 'Opportunity or Oblivion for the Housewife'; Pamela Frankau on 'Being an Exile'; Other Women's Lives â 'Household Budgets in Singapore,' by Mrs. Ferrier Smith; and the current serial story, 'The House under the Water,' by Francis Brett Young, read by Deryck Guyler