I have written a small book on go-moku (ancient japanese game) using ZBrush too.
It’s freeware. It’s in italian, but it’s very simple and it has more than 400 diagrams…
Here is the link:
http://rapidshare.de/files/16846309/go-mokuweb.pdf.html

ciao
cameyo
Attachments






with the programs that you give in your book

)
Easy to learn rules (five minutes)