Effect is a book about the difference between what you said and what the other person heard. The difference between your intention and the effect that you have on the other person. And about how to handle that difference.Psychologists and sisters Bente-Marie and Heidi Ihlen have been working with teambuilding and communication for several years, and Johann Olav Koss, fourfold olympic gold medal winner has practiced their theories on the speed skating rink. Johann is also the founder of Right to Play, non-govt. organisation aiding children and based in Toronto, Canada.