HarperCollins Distribution Services · 1974
Hardcover
ISBN: 978-0-00-221141-3
ISBN-10: 0-00-221141-6
| See also (possibly by other authors): | ||
| 2006 | Mass Market Paperback | The Challenge |
| 2005 | Mass Market Paperback | The Challenge |
| 2002 | Paperback | The Challenge |
| 2000 | Mass Market Paperback | The Challenge |
| 2000 | Paperback | Challenge (Level 6) (SRA Open Court Reading) |
| 2000 | Paperback | Challenge (Open Court Reading) (Level 2) (Papercover) |
| 1988 | Paperback | Challenge |
| 1986 | Paperback | The challenge |