Introduction:History and Scope of This Book.- Cholinergic Cells and Pathways.- Metabolism of Acetylcholine: Synthesis and Turnover.- History of Research on Nicotinic and Muscarinic Cholinergic Receptors.- Muscarinic Acetylcholine Receptors in the Central Nervous System: Structure, Function, and Pharmacology.- Neuronal Nicotinic Receptors: History, Structure, and Functional Roles.- Anticholinesterases and War Gases.- Cholinergic Aspects of Growth and Development.- Central Cholinergic Nervous System and Its Correlates.- Links Between Amyloid and Tau Biology in Alzheimer’s Disease and Their Cholinergic Aspects.- Envoi.