Drakemaster

What connects an ancient map carved in a cane, a disgraced descendant of Chinggis Khan, and a secret Chinese society?

1257 AD, Kaifeng, China: Dailus, a European bronzecaster taken as a slave by the Mongols, builds mighty siege cannons for the Khan, but discovers there are even more frightening weapons. His fate intersects that of the Mongolian scout who enslaved him desperate to remove the name of 'traitor', the last warrior monk of a ruined temple, a Chinese astronomer's daughter forced to...