 signature appears on many book jackets, including the U.S. edition of W. Somerset Maugham's "The Casuarina Tree" (1926), DuBose Heyward's "Angel" (1926) and M. P. Shiel's "Dr. Krasinski's Secret" (1929).Lefferts designed the dust jacket for Rex Stout's first book, "How Like a God" (1929), and the covers for "Seed on the Wind" (1930) and three of his early Nero Wolfe novels—"The League of Frightened Men" (1935), "The Rubber Band" (1936) and "The Red Box" (1937).In December 2015, the only example of Lefferts' original dust jacket art ever auctioned was offered by Bonhams in New York.