This book is suitable for Key Stage 3. KS3 covers school years 7, 8 and 9, and ages 12-14 years. A key stage is any of the fixed stages into which the national curriculum is divided, each having its own prescribed course of study. At the end of each stage, pupils are required to complete standard assessment tasks. This book is aimed at children in secondary school.

There are 192 pages in this book. This book was published 2008 by Oxford University Press .

This book has the following chapters: Why are parts of the world rich and parts of the world poor? ; Is your dream holiday a nightmare in reality? ; Why do humans migrate? Is the grass always greener? ; Why is the population constantly changing?