Each book in this series introduces an aspect of the natural or technological world, providing a wealth of fascinating information. Simple text and detailed illustrations combine to answer the question of each title in clear, step-by-step stages. The series explores a wide variety of subjects, such as how an electric light bulb works, what happens to the sun at night, what’s under your skin and how an an electric light bulb works, what happens to the sun at night, what’s under your skin and how dinosaurs kept warm. Where appropriate, there are safe and easy experiments to help clarify explanations.