Sometimes weird things happen. Just ask Cassie, Jake, Marco, Rachel, and Tobias. One night they spot a strange light in the sky. Soon they are face to face with an alien from another planet who tells them that the Earth is being invaded by evil Yeerks, and gives them the special power to morph into any animal they desire.
- ISBN10 043908783X
- ISBN13 9780439087834
- Publish Date 1 December 1998
- Publish Status Unknown
- Publish Country US
- Imprint Scholastic US
- Pages 164
- Language Spanish