This is a very unusual book. It brings to the English speaking reader a masterpiece written some 50 years ago by one of the greatest minds of the 20th century--Nicholai Aleksandrovich Bernstein--considered the founder of many contemporary fields of science such as biomechanics, motor control, and physiology of activity. Divided into two parts, this volume''s first section is a translation of the Russian book On Dexterity and Its Development. It presents, in a very reader-friendly style, Bernstein''s major ideas related to the development and control of voluntary movements in general, and to the notion of dexterity, in particular. Although very few scientific works remain interesting to the reader 50 years after they were written, this volume--now available for the first time in English--is a rare exception to this rule. His ideas are certainly not obsolete. Actually, we are just starting to grasp the depth and breadth of his thinking, especially his analysis of the complex notio
