Two Independent readers can each win book collections comprising Walter Sickert by Richard Shone (Phaidon, pounds 25); Sickert and the Camden Town Group by Maureen Connett (David and Charles, pounds 25); and the catalogue of the Sickert show at the RA by Wendy Baron and Richard Shone (Yale, pounds 18.90). Answer the following questions: 1. Which music hall star is portrayed in this painting (right) by Sickert? 2. Which of Sickert's models is in the foreground of his Raising of Lazarus of 1929? 3. Name the future member of the Camden Town Group who was introduced to Sickert in France in 1904. Answers on a postcard, to Sickert, Arts, The Independent, 40 City Rd, London EC1Y 2DB, by 12 Feb.