+ wishlist Behind Closed Doors: Why We Break Up Families – and How to Mend Them [9780349014517] Add to Cart The item has been added Author: Polly Curtis Behind Closed Doors: Why We Break Up Families – and How to Mend Them [9780349014517] Buy More - Save More. Below are the available bulk discount rates for each individual item when you purchase a certain amount Quantity Price Savings 25 - 99 41% 100 - 249 44% 250 - 499 47% 500 - 999 49% 1000+ 51% List Price As Low as $25.99 Format: Paperback