Well, after growing up on Betty Crocker (I swear the only spices my mom had when I was growing up were salt and pepper, and the pepper was used sparingly) I discovered The Silver Palate cookbooks, and they still contain many of my go-to dishes, especially The New Basics. My copy is is now in 3 pieces, it fell apart long ago.
I have many other cookbooks acquired over the years, but I admit I don't have many recent ones. I get a ton of foodie magazines every month thanks to my bestie who is a fanatic for anything about cooking and gifts me all the subscriptions. And I admit that nowadays if I want to try something new, I google. I have a huge folder of printed out recipes that I've tried.