On the Larry King show last night, James Frey stated that if only five percent of a memoir is demonstrably untrue then it falls "comfortably within the realm of what's appropriate." I wish Mr. King had asked: What is the statistical upper limit of fictional information in a non-fiction work? Ten percent? Fifteen percent? Seth Mnookin, in Slate, explains why Frey's inability to tell the truth undermines the central message of his book.