Includes index. "Three reading levels (on level, below level, and above level) to reach every student"--Publisher's Web site.

[vol. 1]: grade 5 reading level (blue) -- [vol. 2]: grades 6-7 reading level (orange) -- [vol. 3]: grade 8 reading level (green). (Common to all reading levels) Introducing the issue: a crowded planet -- World hot spots map: impact of population growth -- Grade 5 (blue) Case study one: East Asia: One nation, one child in china -- Case study two: South Asia: India, bursting at the seams -- Grade 6-7 (orange): Case study one: East Asia: Japan's aging population -- Case study two: South Asia: Growing pains in Pakistan -- (Common to all reading levels) National Geographic at work:/ Jerry Glover: New plants to feed the world -- What can I do? Take a census -- Research & write: explanatory Common Core standards: write an explanatory article -- Visual glossary -- Index.