Provides answers to more than seventy questions about the world's natural and manmade wonders, covering the Tower of Pisa, the Forbidden City, the pyramids, and other extraordinary sites.
Provides answers to questions about the human body, providing information on the body's systems and the ways they work together to help people move, talk, breathe, think, and survive.
Provides answers to more than seventy questions about science and technology, covering matter, structures and materials, energy and work, sound, forces, and other topics, and includes quiz questions, fact panels, and an index.