The first one was given to me by my boss its called "in defense of food" the subtitle is eat food, not too much, mostly plants. So far it is a great read. It's about the rise of "nutritionism" and how the economics of food have created a situation that is both unhealthy for our bodies, and our minds and culture. So far the most notable thing I have read is about a government study on cancer showed that eating less red meat was helpful at avoiding cancer, but the official statement was changed to: avoiding foods with high saturated fats is helpful for avoiding cancer. Which some of the scientists objected to because it wasn't the nutrients but the whole foods.
The second is kingdom ethics which studies the ethics of the sermon on the mount.