Covers: Open Library
Covers: Open Library
| Format | Publisher | Year | ISBN |
|---|---|---|---|
| Paperback | HMH Books for Young Readers | 2015 | 9780544439368 |
| Edition | Perfection Learning | 2015 | 9781627657020 |
| Edition | Houghton Mifflin Harcourt Publishing Company | 2015 | 9781484451670 |
| Edition | Houghton Mifflin | 2011 | 9780547390093 |
| Audiobook | Listening Library (Audio) | 2011 | 9780307916273 |
| Edition | Houghton Mifflin Harcourt Publishing Company | 2011 | 9780547573915 |