Incoming Resources
- Collier Books, New York:, c1971, c1968
- Pocket Books, New York:, 1978, c1973
- Dial Books for Young Readers, New York:, c1989
- Scholastic, Inc., New York:, c2000, 1997
- Random House, New York:, 2011
- Crowell, New York:, c1979
- Dodd, Mead, New York:, c1984
- Little, Brown and Co., New York:, c1995
- Hastings House, New York:, c1964, 1980? printing
- Scholastic, New York:, 2010