(The Seven Principles for Making Marriage Work) By John Gottman (Author) Paperback on (Jan , 2007);

In this practical, easy to use guide, psychologist John Gottman reveals the simple truths behind happy marriages. having scientifically analysed the habits of married couples he has established a tried and tested method of correcting problems- using the seven principles has given him a success rate of up to 30% higher than other therapies.