A technical baking how-to for those who wonder why we add certain ingredients to our recipes. When I say this book is technical, it's really a textbook for the aspiring baker who is literally in baking school. So not exactly easy reading, even for those who love sciency cookbooks. Regardless, I took the leap (and a year) to read through this monstrosity to really learn some of the basics of baking. There's useful information such as a Baker's Percentage which helps one understand how to scale a recipe up or down. And there's understanding how molecules are arranged and how they absorb light, thus affecting how we perceive a finished product.
There's a lot of really great information, but unless you are actually in class studying and applying what you learned, this would be a hard book to really take away anything from. If you love to bake, you're better off just simply trying a recipe and altering it ever so slightly to see what the results are.
If you love science cookbooks that's not focused on baking, I'd recommend The Science of Good Cooking by Cook's Ilustrated or The Food Lab by J. Kenji López-Alt, both really great books that's also easy for anyone to pick up and read. However, if you're truly interested in analyzing the basics of baking, then you might be interested to read up on it in How Baking Works.