What's a good cookbook?

I am an at home mom that cook at least 4 days a week. I am tired of the usual. A meat, starch and veg. I would like to start cooking more complicated dishes for my family. Does anyone know of a good cookbook. Before you answer please keep in mind that I like soul food but am open to try almost anything. I don't however like diet or gourmet dishes. If you know of a good cookbook please let me know. Thanks in advance.