The Landon family travels to Glacier National Park to investigate why grizzly bear cubs are disappearing and becomes involved with a ten-year-old Mexican runaway boy.
- ISBN10 0792276655
- ISBN13 9780792276654
- Publish Date 1 November 2001 (first published 1 April 2000)
- Publish Status Transferred
- Publish Country US
- Imprint National Geographic Kids
- Format Paperback (US Trade)
- Pages 160
- Language English