I think the book is aleady done :-)

[Brett Carrington]

On Mon, 13 Dec 2004 18:23:11 +0800, Chua Wen Kiat <jiyuu0 at kitech.com.my> wrote:
> Disclaimer
> Copyright (c) 2004 Chua Wen Kiat.
> 
> Permission is granted to copy, distribute and/or modify this document
> for non commercial purpose, so long as all appropriate credit is
> provided, including author's name and original URL. The author makes no
> claim to the accuracy of the information provided. This information is
> provided in the hope that it will be useful, but WITHOUT ANY WARRANTY.
> Use this information at your own risk. Always make proper backups and
> use caution when modifying critical system files.

"for non commercial purpose" won't work. This would prevent Canonical
from using it as they are a "commercial purpose."

Read the "Definition of Open Source" from OSI and cull a few ideas
from it: http://opensource.org/docs/definition.php