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All the Hazan cookbooks (I have Marcella's Cucina, both Classic and the first one, her Italian Kitchen; Bugiali's comprehensive tome, Giuliano Hazan's wonderful pasta cookbook, James Beard's American Cooking, Olney's Simple French Cooking.

I would have to go with either the first Barefoot Contessa Cookbook (her bbq sauce and her scones are always hits around here), Bold American Food by Bobby Flay (his sauces) and The Silver Palate Cookbook (their recipe for Spaghetti with Oil & Garlic has been used more than anything else in there). I just adore the flavor of the chicken broth in that recipe! So creative.

Two cookbooks from Margaret Fox, the Cafe Beaujolais Cb and Morning Food are certainly among the worst-looking. I have bought multiple copies of each as gifts, and when I am sure they won't be returned for store credit, I copy my own notes on each recipe into them. The first two Silver Palates are also valuable, but I found nothing but disaster in the recipes I tried from New Basics so sent that one a-packing. I have three and a half tall bookcases full, plus more stacked nearby, and there are probably too many that I only use one recipe from. But some books are too much fun to re-read to send off to the Book Fair.