Authoritative texts that include interviews with experts, maps, useful time lines, glossaries, and more bring readers up to date on the latest findings of and current viewpoints on ancient civilizations from leading archaeologists.

Uses colorful illustrations and simple text to focus on dangers posed to nature and describes ways to protect nature.

Uses color illustrations and simple text to explore the importance and benefits of recycling bottles, cans, plastic, clothes, and paper.

"This book presents the case for reducing household, industrial, and agricultural pollution, in order to reduce the harm done to our environment. How will that affect our way of life?"

"This book explores the ways in which we are depleting the planet's resources, and the need to use them in a sustainable manner. Can we meet all our needs and wants without destroying our forests and fisheries?"

Uses colorful illustrations and simple text to focus on dangers posed to nature and describes ways to protect nature. Original.

Uses color illustrations and simple text to explore the importance and benefits of recycling bottles, cans, plastic, clothes, and paper. Original.

[back cover] WHY SHOULD I? Part of a child's development is asking questions and learning about the environment. With amusing pictures and simple text, this book shows the importance of saving water. Added notes for parents and teachers will help them use this book most effectively. TITLES IN THE SERIES WHY SHOULD I Protect Nature? WHY SHOULD I Recycle? WHY SHOULD I Save Energy? WHY SHOULD I Save Water?