For sale are 2 courses in subliminal tapes. These courses were produced by Jonathan Parker & the Gateway Institute in the 1980's and 1990's. The first course helps build up the listener's self-esteem with positive affirmations, positive thinking and other techniques. This approach is combined with hidden subliminal messages in the tapes intended to imbed the new ideas and thinking in the listener's sub-conscious mind. The second course applies these and other techniques to improve the listeners financial and business life. The tapes are in good condition and come with the supplemental printed materials. $20 or best offer.