This book Swarm robot is an approach to robotics applications in which a large group of mobile robots coordinate to perform tasks. The core idea of this is that a lot of relatively simple robots can perform difficult tasks as good as few complex ones. Swarm robots are mainly composed of many individuals and have the following features; the individuals are relatively homogeneous, the individuals are relatively incapable, the interactions among the individuals are based on simple behavioural rules that exploit only local information, the overall behaviour results from a self-organized process....