15 Best Books on Confidence for 2021 - Choosing Therapy The Self Confidence Workbook: A Guide to Overcoming Self-Doubt and Improving Self-Esteem by Barbara Markway, PhD and Celia Ampel This workbook offers practical advice for building confidence and shaping the best version of yourself. Readers will learn strategies to tame the inner self-critic and make goals to vanquish self-doubt.