Hardcover. NY, W. W. Norton, 1st, 1966, Book: Very Good, Dust Jacket: Good, Hardcover, pictorial boards in a bright price-clipped dust jacket. Color illustrations by Lillian Hoban. Dust jacket with chipping, small closed tears. Publisher's gold sticker across spine. Clean copy of the Hobans' classic tale of goodnight fears and the way to put oneself to sleep.