Heh. I was just thinking that I need to set aside 9 copies of Feast to send to my mother and her siblings (Amma is the oldest of 9), and then I realized that as soon as my aunties get their copies, they’ll start looking through the recipes and likely scribbling in the book to mark their own changes and amendments and variations…and that is exactly how a family immigrant cookbook should be treated. 
“What, she used *how* much vinegar in this? Aiyo!”
“Well, I like things tangy, Aunty. You know that…”