홈 / 책 찾기 / 판 고르기
판 6개, 최신 판부터
Tandem Library, 1999, School & Library Binding, ISBN 9780808563754
Sandpiper Books, 1985, ISBN 9780395401460
Scholastic, 1984, 무선(페이퍼백), ISBN 9780590118774
Perfection Learning Prebound, 1983, Unknown Binding, ISBN 9780812406009
Educational Products, 1980, Unknown Binding, ISBN 9780590757690
Houghton Mifflin, 1977, ISBN 9780395252963
