To Ride a Rathorn by P. C. Hodgell
It’s taken me two years, but I’ve finally returned to P. C. Hodgell’s Kencyrath Cycle, with the fourth book, To Ride a Rathorn. A rathorn is a deadly, carnivorous, horned, horse-like animal covered in heavy plates of ivory. For the Kencyrath, to ride a rathorn is to try to do something insane, and our heroine Jame is about to do just that. She has accepted her destiny as a crucial element of the final showdown with Perimal Darkling, a world-devouring force…