Sheila Ostrander & Lynn Schroeder 
Superlearning 2000 [EPUB ebook] 

Whether you want to learn a foreign language, improve your tennis game, ace a test, or learn anything two-to-five times faster, the fun and innovative method of superlearning is designed to unlock your limitless potential. This revolutionary program reveals how the right kind of music can enhance learning, which ‘superfood’ can make people a startling 25 percent smarter, the subliminal message that increases test scores, and much more.
From the Paperback edition.