A specialist in US writer Twain, David continues her effort begun in the first volume to emphasize to readers how illustrations illuminate and interpret as well as embellish his writings. Here she considers the illustrations in four famous Mark Twain Sketches, New and Old , A Tramp Abroad , The Prince and the Pauper , and Life on the Mississippi . The series is projected for five volumes. Annotation c. Book News, Inc., Portland, OR (booknews.com)