Magic Tree House Books 21-24 Boxed Set by Mary Pope Osborne
| ISBN: | 9780385389570 |
| Publication date: | 23rd September 2014 |
| Author: | Mary Pope Osborne |
| Illustrator: | Sal Murdocca |
| Publisher: | Random House Books for Young Readers an imprint of Random House USA Inc |
| Format: | Paperback |
| Pagination: | 96 pages |
| Series: | Magic Tree House (R) |