Mog, a young boy living during the Stone Age, discovers words and language and teaches his fellow cave dwellers how to talk, thus altering the course of history.
- ISBN10 0064408892
- ISBN13 9780064408899
- Publish Date 3 October 2000 (first published 1 September 1999)
- Publish Status Out of Stock
- Out of Print 12 December 2008
- Publish Country US
- Publisher HarperCollins Publishers Inc
- Imprint William Morrow
- Edition New edition
- Format Paperback
- Pages 256
- Language English