Get yourself going on a transformative journey with the first book in Earl Nightingale's The Strangest Secret Series 30 Days to Self-Confidence: A Guide to Stop Doubting Yourself and Start Succeeding is a compact and powerful book aimed at individuals who seek to break free from the frustrating cycle of self-doubt and embrace a life brimming with confidence and success. Structured as a 30-day program, Nightingale's book...