James Marshall’s first book, George and Martha (Houghton Mifflin) appeared in 1972. The rollicking tale of two hippos was followed by several sequels. Marshall was a self-taught artist and provided illustrations for many other writers including
Harry Allard’s The Stupids Step Outand Miss Nelson is Missing (both Houghton Mifflin), which introduced Miss Viola Swamp, the world’s meanest substitute teacher. Mr. Marshall died in 1992.