Also Read: 'Game of Thrones': How a Voyeuristic Horse Made the Already Bad Unaired Pilot Worse“Part of the reason we didn’t want to put it in had to do with things coming up in George’s books that we don’t want to spoil [by discussing them],” Benioff said, in an excerpt from Hibberd’s book published by Entertainment Weekly.Another reason was Benioff and Weiss were planning for the death of Jon Snow (Kit Harington) while writing Season 3.