Originally Posted by 80ktsClamp

FWIW, I bought the naval aviators book and the mental math book. Never opened the mental math one and made it a paragraph into the naval aviators one. The gouge you can find online for formulas and concepts they want you to know is much more concise and less likely to give you a brain tumor.

The books haven't been touched since and are currently boring the spiders to death in the basement.