where the sidewalk ends
new york: harper and row, 1981. 1981 edition. hardcover.
new york: harper and row, 1981. 1981 edition. hardcover.
new york: random house, 1958. first edition. hardcover.
new york: beginner books inc, 1958. hardcover.
new york: random house, 1957. 1st edition, 3rd printing. hardcover.
new york: macmillan company, 1923. 2nd printing. hardcover.