The unknown
Edición de la obra The Unknown
| Autor | Katherine Applegate |
|---|---|
| Editorial | Scholastic |
| Fecha de publicación | 1998 |
| Lugar | New York |
| Páginas | 166 |
| ISBN-10 | 0590494236 |
| OCLC | 38118819 |
| Serie | Animorphs |
| Número de Cutter | A648u |
Having learned that someone has discovered proof of alien life and hidden the proof on the top-secret base called Zone 91, Cassie and the Animorphs struggle to keep the evil Yeerks away from the place.