Concentration On
Subtitle: A Subliminal Persuasion/Self-Hypnosis
Edition: Unabridged edition
Publisher: Potentials Unlimited Products
Published: November 1985
Language: eng
Format: Audio Cassette
ISBN-13: 9780870822964
Subjects: Study & learning skills; Self-Hypnosis; Audio - Relaxation/Meditation; Audio Adult: Subliminal