ISBN:
0021210209 (9780021210206)
publisher: Addison-Wesley Pub (Sd) publish date: October 1st 1971
format: Library pages: 32
language: English
ISBN:
0201086255 (9780201086256)
publisher: HarperCollins publish date: November 1st 1972
format: hardcover pages: 32
language: English
ISBN:
0201086239 (9780201086232)
publisher: MacMillan/McGraw-Hill publish date: 1997
pages: 32
ISBN:
002182312X (9780021823123)
publisher: Macmillan, 96 pages, Hardcover" /> publish date: January 1st 1975
format: hardcover pages: 96
ISBN:
0021250707 (9780021250707)