Superplonk 1998 Author:Malcolm Gluck This is the 1998 edition of Malcolm Gluck's supermarket wine guide. He examines the wine on offer at Asda, Budgens, Co-op, Kwik Save, Marks and Spencer, Morrisons, Safeway, Sainsbury's, Sommerfield, Tesco, and Waitrose and gives his opinion on the best value for money.