`An immensely challenging book' The Irish Times 'A useful self-help book, written by a psychologist and designed to increase self-awareness and a much greater understanding of self' Irish Independent An exciting guide for personal healing, growth and development, The Power of `Negative' Thinking was first published in 1996. It has sold 30,000 copies in its original format and has been translated into twelve foreign-language editions. It is a ground-breaking publication which successfully challenges many of the current ideas in psychology today by making some surprising but convincing claims.