This sequel to" Exploring the Human Body begins with the principal of a magic school coming down with a mysterious illness. Professors and students are concerned. To find the cause of the illness, Joon and Sunny tempt Ken to explore the interior of the principal's body, as they did in the previous book. While exploring the tissues of his eyes, Sunny and Ken lose contact with Joon. New explorations begin with the help of Professor Gid, who teaches the trio about the eyes, nose, and mouth. This simple, boldly illustrated comic book makes the story of the body fun and educational.