MENTAL MATH FOR PILOTS
(by Ronald McElroy)

If you are simply looking for a way to improve your math skills in the cockpit, then this book is a must read. Mental Math revs up the brainpower to quickly process not only those pesky math questions asked during airline interviews, but expands the mental hard drive to handle a wide range of practical number problems in flight. Soft cover, illustrated, includes index & glossary, approximately 117 pages.