Leonardo da Vinci was a pioneer in the study of human anatomy and one of the greatest draftsmen ever to have lived. He dissected around thirty human corpses, exploring every aspect of anatomy and physiology, and recording his findings and speculations on the pages of his notebooks. These drawings remain unsurpassed even today in their lucidity and clarity. Almost all of Leonardo's surviving anatomical studies, some 200 sheets, have been in the Royal Collection since the seventeenth century, and are now preserved in the Royal Library at Windsor Castle. This book presents ninety of the finest of these astonishing documents the largest showing of Leonardo's anatomical studies, there has ever been with a full discussion of their anatomical content and their significance in Leonardo's pioneering work.