This book aims to provide the clinicians with details on how to design and deliver materials to effectively help patients. Chapters cover some of the most fundamental concepts for successful treatment, including experiments, action plans, evidence, and the guidelines for managing thoughts, feelings, and other key concerns. Designed to be a reader-friendly guide, each chapter opens with a summary of the content and a recap of concepts covered in previous sections, making this highly functional for individual chapter or whole book use. Each chapter also includes tables and charts to facilitate the documentation of each recommended session, and provides practical examples of patient's homework and the appropriate therapist feedback, making this highly practical resource and vital tool for those who treat patients suffering from these particular mental health concerns. Online Cognitive Behavioral Therapy is a unique guide to practical e-Mental Health approaches that is valuable to psychiatrists, psychologists, counselors, social workers, and all clinicians who wish to treat anxiety and depression patients remotely.