Smaller print and material geared more appropriately for 13 to 15 here but biographical facts and scientific discoveries are integrated. Many young readers will be surprised to learn that Newton did poorly at his schoolwork. Not until he decided to defeat the class bully, both physically and intellectually, were any indications of genius exhibited. A description of the world of science before Newton enhances appreciation for his achievements. His discoveries of the laws of motion, and those of gravitation and optics won him fame within his own lifetime.