This book attempts to cover all the topics needed to build a robot for applications involving Medical, defense with uncertainty. The bulk of six chapters are concerned with reactive paradigm and behaviors. The book is divided into two parts. Part I defined the architecture of Nanorobot and part II defined the Experimental method and applications of Nanorobot. Pedagogical features such as chapter-end summaries, photographs and diagrams enhanced the value of this well-researched text.