The Big book of What, Why, Where and How is a valuable knowledge guide full of intriguing facts to solve the questions on almost everything you see in the world around you. Cover varied topics ranging from the history of cars, Tasmanian devil, satellites, aircraft carriers, elephant seals to prehistoric life, the universe, electricity, animals, rainbows and CO2 levels. Supplements facts with visual explanations Provides simple and easy-to-understand answers Presented in a lively question and answer format.