You Can’t Afford the Luxury of a Negative ThoughtNew price, new look and new format for this bestselling pop psychology classic. You Cant Afford The Luxury of a Negative Thought is an upbeat, accesible book about the power of positive thought and about how negative thinking can wreck lives. Negative thinking is seen as a debilitating illness that will slowly kill your spirit and for some people lead to actual physical disease. Happily though, this is not a doom filled book at all! The authors show