If NaCl is the extent of your knowledge of the chemical composition of your food, Ingredients: A Visual Exploration of 75 Additives & 25 Food Products can help. Unlock the secret of polysorbate 60 and other synthetic-sounding additives in processed food from Twinkies to McNuggets. The demystifying process is accompanied by photos of the additives as well as background on where they come from and why each is used. But tread carefully: remember that once you explore how a hotdog is made, you can’t unsee it.

Find it at Amazon – $19