The Sword of Knowledge
by C. J. Cherryh
The Empire of Sabis was falling, besieged by the army of a more powerful empire and by hostile wizards. A small group of philosopher-scientists could reverse the tide if they could convince the rulers of Sabis to build the deadly new weapon that they have invented: the cannon. But when the rulers prove too short-sighted and Sabis falls, the scientists flee, disguising their knowledge under th...(more)
