CBT Skills to Overcome Worry and Anxiety by Facing the Fear of Uncertainty. Written by two psychologists and experts in anxiety, The Worry Workbook provides powerful, evidence-based tips and tools to help you challenge your fears, build a tolerance for uncertainty, and find relief from worry. The Worry Workbook provides guidance for overcoming the fear of uncertainty. With this guide, youâ€™ll find concrete exercises and step-by-step instructions to help you identify your fear of uncertaintyâ€”whatever it isâ€”and challenge it using powerful cognitive behavioral therapy (CBT) practices like self-assessment, self-monitoring, and behavioral experiments. Chronic worrying can affect all aspects of your life. This book will help you target your fears and worries, tolerate uncertainty, and trust your own judgment and abilities in the face of doubt.