Strauss, Foreword. Part I: Background. Demitrack, Abbey, Historical Overview and Evolution of Contemporary Definitions of Chronic Fatigue States. Manu et al, Idiopathic Chronic Fatigue: Depressive Symptoms and Functional Somatic Complaints. Abbey, Psychiatric Diagnositc Overlap in Chronic Fatigue Syndrome. Demitrack, The The Psychobiology of Chronic Fatigue: The Central Nervous System as a Final Pathway. Part II: Assessment. Grafman, Neuropsychological Assessment of Chronic Fatigue Syndrome. Abbey, Demitrack, Psychiatric Assessment of Patients with Chronic Fatigue Syndrome. Komaroff, Fagioli, Medical Assessment of Fatigue and Chronic Fatigue Syndrome. Part III: Treatment. Abbey, Psychotherapeutic Perspectives on Chronic Fatigue Syndrome. Wessely, Cognitive-behavioral Therapy for Patients with Chronic Fatigue Syndrome: Why?. Sharpe, Cognitive-behavioral Therapy for Patients with Chronic Fatigue Syndrome: How? Demitrack, Psychopharmacological Principles in the Treatment of Chronic Fatigue Syndrome. Engleberg, Medically Oriented Therapy for Chronic Fatigue Syndrome and Related Conditions.