To provide a party of children with a spread that will satisfy their keen sense of what is due at Christmas-time, without making them ill, is no mean feat. Miss Helen Tress , who will give some advice as to how to do it, is Lecturer in Household Arts at King's College for Women, and an Examiner in Sick-room Cookery to Middlesex Hospital. At present she is engaged also in important research work for the Low Temperature Research Station at Cambridge.