We all hope that we will be cared for as we age. But the details of that care, for caretaker and recipient alike, raise some of life's most vexing questions. From the mid-nineteenth to the mid-twentieth century, as an explosive economy and shifting social opportunities drew the young away from home, the elderly used promises of inheritance to keep children at their side. Hendrik Hartog tells the riveting, heartbreaking stories of how families fought...