The Seven Sleepers try to stop the evil Dr. Korbo, whose country is filled with awful, unnatural beasts.
- ISBN10 0613880226
- ISBN13 9780613880220
- Publish Date 1 April 2000
- Publish Status Out of Print
- Out of Print 6 April 2021
- Imprint Turtleback Books
- Edition Turtleback School & Library ed.
- Format Hardcover (Library Binding)
- Language English