Jefferis, David

In question and answer format this book presents an overview of the sun's formation, age, composition, sunspots, cycle, eruptions, solar wind, and eclipses.

In question and answer format this book presents an overview of the moon's age, phases, lunar eclipses, mapping, oceans, mountains, and craters.

Describes various record-breaking wonders of the world, including Uluru or Ayers Rock, the world's biggest rock monolith, and Igau?u Falls, South America's widest waterfall system.

Text and photographs present amazing facts about a wide range of machines and inventions.

Text and photographs present amazing facts about the human body.

Describes different types of motorcycles and their uses.

An introduction to the stars, answering questions about what stars are and how they form, different types of stars, constellations, supernovas, black holes, star spotting, and related topics.

Provides answers to questions about Mars, such as why it is called the red planet, the depth of Martian valleys, and how it can be observed.

Provides answers to questions about Earth, such as how old it is, how mountains are formed, and the danger of global warming.