Brian Tracy The Psychology of Success 6 Cassette Tape Set Nightingale Audio

Condition: Very Good – complete set, plays properly, case shows minor shelf wear Title: The Psychology of Success: Ten Proven Principles for Winning Author/Narrator: Brian Tracy Format: 6 Audio Cassette Set (Boxed) Publisher: Nightingale Conant Corporation Language: English Genre: Personal Development / Business / Motivation Description: Classic audio training program by Brian Tracy, featuring ten proven principles for personal and professional success. Includes 6 cassette tapes in original case with insert. Tested for playback – all tapes appear to be in very good working condition. Teaches success principles such as Purpose, Concentration, Responsibility, and Integrity. Perfect for collectors of vintage Nightingale-Conant motivational audio programs or fans of Brian Tracy’s timeless success methods.