A power outage gives Robert the opportunity he needs to teach his friend and her family about the limited sources of energy, what would happen if energy supplies ran out, and some of the ways in which they can all help conserve energy.
Explains what vitamins are, discusses their role in human health, looks at the benefits of several different vitamins, and includes a glossary and suggestions for further study.
Text and illustrations present information on healthy eating to kids, explaining what the different kinds of cholesterol are and what they do to the body.