Enhance your audio collection with this set of Nightingale Conant CDs featuring Brian Tracy's "The Science of Self-Confidence". This audiobook is perfect for those interested in the science of self-confidence and personal development. The set includes multiple CDs and is in English language. The author, Brian Tracy, is a renowned expert in the field of personal development and has shared his knowledge in this audiobook to help listeners boost their self-confidence and achieve their goals. Whether you are a fan of audiobooks or interested in the topic of self-confidence, this set is a must-have addition to your collection.
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