This multi-author book is an important contribution to the fields of nephrology and nephropathology, which is primarily focused on the discussion of the pathogenesis and pathology of nephrotic syndrome. A few primers are available on this subject, but those can be considered as reference works and not suitable for daily or bedside use. The present book has been written with a view to fill this void, at least partially. It is written by many practicing nephrologists and nephropathologists from different parts of the world, in particular, from developing countries. The book not only discusses the etiology and pathology of the disorder but also addresses the new developments and updates on the pathogenesis of nephrotic syndrome, which is the most common clinical manifestation of medical renal disorders in nephrological practice throughout the world. The book is handy and can be used in the office, classroom and by the patient bedside. It will prove very useful for the beginners in the field of nephrology and nephropathology. The book has been written in easy English, and is very well illustrated to enable easy comprehension and assimilation of the knowledge and information contained in it.