The product is a book titled "Seven Principles for Making Marriage Work: A Practical Guide from the Country's Foremost Relationship Expert" by Nan Silver and John Gottman. Published by Potter/Ten SPEED/Harmony/Rodale in 2015, this trade paperback is in English and falls under the Family & Relationships genre. With 320 pages, it covers topics such as Love & Romance, Marriage & Long-Term Relationships, General relationship advice, and Conflict Resolution, offering insights and practical guidance for maintaining a healthy and successful marriage.
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