An interesting review here:
I found the voice of the narrator intriguing and wondered just how much of King Lear Smiley was going to be able to transpose to 1970s Iowa. Turns out, quite a bit, in a wondrously deft way that I would have termed a 'tour de force' if I used that phrase anymore.
The narrator is the eldest of the three daughters, and instead of a king dividing up his kingdom, the family farm is to be divided among the daughters somewhat early by forming a corporation in which he gives control of the farm to the children, in a sudden move that delights the older daughters and their husbands and alarms the youngest, who no longer lives on the farm nor has much to do with it.