A perfect square is transformed in this adventure story that will transport you far beyond the four equal sides of this square book.
| ISBN: | 9780061915130 |
| Publication date: | 15th April 2011 |
| Author: | Michael Hall |
| Illustrator: | Michael Hall |
| Publisher: | Greenwillow Books an imprint of HarperCollins Publishers Inc |
| Format: | Hardback |
| Pagination: | 40 pages |