Because of that chart, which blew her mind, Ripley says she spent a year touring three foreign countries, trying to figure out how these incredible events occurred. 하지만 놀랍게도 그녀는 핀란드와 캐나다의 시험 점수에 대한 차트의 내용을 잘못 설명했습니다. The chart sits on page of the book.