Джон Престон - доктор психологии, писатель.<br/><a href="http://psyd-fx.com/">http://psyd-fx.com/</a><br/><a href="https://www.goodreads.com/author/show/177990.John_D_Preston">https://www.goodreads.com/author/show/177990.John_D_Preston</a>