Need native English speaking writer to research and write a quality ebook on BRAINWAVE ENTRAINMENT - what it is, the history and studies on it and then how BINAURAL BEAT and ISOCHRONIC TONE technology helps to facilitate change in the brain. How they both work and the history on them. Basically an info book on these subjects and selling people on the idea of why these things do work - the features, advantages and benefits to them.