This book introduces analytic solution methods for viscous flow problems, which is important in fluid mechanics. The author, after many years of experience in teaching and research, has refined useful analytic methods to treat fluid mechanics problems. This book is written in concise and understandable terms and is beneficial to practicing scientists and engineers who would like to understand and solve laminar fluid mechanics problems. The author provides new materials, methods, and insights and presents examples that are succinct to illustrate the methodology.