Shadrach in the Furnace by Robert Silverberg
Approx. 91,220 words.
Published on October 4, 2011 by
A Hugo and Nebula Award Finalist novel from a Grand Master of science fiction! A modern day Genghis Khan rules the world 30 years from now, after it has been ravaged by the Virus Wars. With billions slowly dying from genetic organ rot, the Khan schemes for immortality -- but at what terrible cost?