Insomnia: A Clinical Guide to Assessment and Treatment by Charles M. Morin and Colin A. Espie is a comprehensive resource for clinicians addressing the complexities of insomnia. This evidence-based handbook offers a structured approach to understanding, assessing, and treating insomnia, integrating both psychological and pharmacological strategies.  The book begins with foundational knowledge about sleep, detailing its mechanisms and the consequences of sleep disturbances. It then delves into the clinical features of insomnia, providing guidance on differential diagnosis and practical assessment tools. Subsequent chapters explore various treatment modalities, including sleep hygiene education, relaxation techniques, sleep scheduling, cognitive therapy, and the judicious use of sleep medications. The manual emphasizes cognitive-behavioral therapy for insomnia (CBT-I) as a first-line treatment, highlighting its efficacy and providing step-by-step instructions for implementation. (6035)