The Seven Principles for Making Marriage Work: a Practical Guide From the Country's Foremost Relationship Expert by John Gottman buy used Used & Rare price $8.15 new from$14.40 shop with confidence SPECIAL SHIPPING CONSIDERATIONS FOR USED & RARE ITEMS. Please see the special considerations for shipping Used & Rare items, including extended delivery times, possible import duties & taxes. Delivered in 3-5 weeks Format: Softcover Publisher: Harmony Condition: The following ISBNs are associated with this title: ISBN - 10:0609805797 ISBN - 13:9780609805794 Seller Comments: Only lightly used. Book has minimal wear to cover and binding. A few pages may have small creases and minimal underlining. Book selection as BIG as Texas. From the Publisher John Gottman has revolutionized the study of marriage by using rigorous scientific procedures to observe the habits of married couples in unprecedented detail over many years. Here is the culmination of his life''s work: the seven principles that guide couples on the path toward a harmonious and long-lasting relationship. Packed with practical questionnaires and exercises, The Seven Principles for Making Marriage Work is the definitive guide for anyone who wants their relationship to attain its highest potential.