DEMONSTRATES LIGHT AS A FORM OF RADIANT ENERGY. EXPLAINS THE PRINCIPLES OF REFLECTION & REFRACTION & SHOWS HOW THESE PRINCIPLES APPLY TO THE SCIENCE OF OPTICS. SHOWS HOW 2 BOYS ON EARLY A.M. FISHING TRIP DISCOVER PRINCIPLES OF REFLECTION AND REFRACTION OF LIGHT THROUGH SIMPLE EXPERIMENTATION. DIAGRAMS EXPLAIN THE OPERATION OF CAMERA & HUMAN EYE.