It's called The Soy of Cooking by Marie Oser. One approach to using soy is to substitute soy cheese for animal milk cheese in your favorite recipes. I think you'll find there's little difference. It's great on pizza. With the increased interest and demand for soy products, you can now find these soy cheeses in many regular grocery stores.
Firm tofu is delicious julienned, marinated and served on a chef salad.
Just assemble and heat for a minute or two in the microwave. And yes, tofu can be stir-fried as well. Just remember that the tofu will pick up the flavors of whatever foods you prepare it with. Here's a classic tofu salad based on an egg salad recipe. Basically, all you're doing with it is substituting tofu for the eggs and soy mayonnaise for regular mayonnaise.