Endangered (Ape Quartet)
| Country | USA | 
| Author | Kenneth Oppel | 
| Binding | Kindle Edition | 
| Edition | 1 | 
| EISBN | 9780545328784 | 
| Format | Kindle eBook | 
| Label | Scholastic Press | 
| Manufacturer | Scholastic Press | 
| NumberOfPages | 387 | 
| PublicationDate | 2010-10-01 | 
| Publisher | Scholastic Press | 
| ReleaseDate | 2010-10-01 | 
| Studio | Scholastic Press |