As I continue to document the career of newspaper food editor Marian Tracy, I have started to keep track of her cookbooks. She had quite a reach. For example, her casserole cookbook was reissued more than 15 times. Here is what I have so far:1. The Care and Feeding of Friends, 19462. Casserole Cookery, 18 editions, 1940s & 1950s3. Marian Tracy’s Complete Chicken Cookery, 19534. The Peasant Cookbook, 19555. Cooking Under Pressure, 1956 6. Picnic Cookbook, 19577. Parties From the Freezer, 1963, Scribner8. 200 Main Course Dishes, 19649. The Shellfish Cookbook, 196510. The Art of Making Real Soup, 1967, Doubleday11. New Casserole Cookbook, 1968 12. The Mushroom Cookbook, 196813. Cooking…