9781448879786 | Reprint edition (Powerkids Pr, August 15, 2012), cover price $10.00

9781448878901 | Powerkids Pr, August 10, 2012, cover price $26.25

9781608704811 | Benchmark Books, September 1, 2011, cover price $39.93

9781608704774 | Benchmark Books, September 1, 2011, cover price $159.72

9781410943033 | Raintree Pub, July 1, 2011, cover price $9.49 | About this edition: A digital solution for your classroom with features created with teachers and students in mind: • Perpetual license • 24 hour, 7 days a week access • No limit to the number of students accessing one title at a time • Provides a School to Home connection wherever internet is available • Easy to use • Ability to turn audio on and off • Words highlighted to match audio This book looks at patterns of population growth - and decline - in a wide range of countries, comparing the situation in many less-economically developed countries with the gradually aging population in more economically developed ones.

9781410943248 | Raintree Pub, July 1, 2011, cover price $9.49 | About this edition: This book looks at patterns of population growth - and decline - in a wide range of countries, comparing the situation in many less-economically developed countries with the gradually aging population in more economically developed ones.

9781410942968 | Raintree Pub, July 1, 2011, cover price $33.99 | About this edition: A digital solution for your classroom with features created with teachers and students in mind: • Perpetual license • 24 hour, 7 days a week access • No limit to the number of students accessing one title at a time • Provides a School to Home connection wherever internet is available • Easy to use • Ability to turn audio on and off • Words highlighted to match audio This book looks at patterns of population growth - and decline - in a wide range of countries, comparing the situation in many less-economically developed countries with the gradually aging population in more economically developed ones.

9781410943170 | Raintree Pub, July 1, 2011, cover price $33.99

9780737751758 | 1 edition (Greenhaven Pr, June 17, 2011), cover price $44.30

9781602170339 | Erickson Pr, November 1, 2010, cover price $23.95

9781602170261 | Erickson Pr, January 1, 2008, cover price $23.95 | About this edition: Book by Stewart, Gail

9781568470504 | Thomson Learning, May 1, 1993, cover price $21.40 | About this edition: Discusses population growth, problems of overpopulation, population distribution, ethnic differences, women's roles, and environmental concerns for the future

9780516055138 | Childrens Pr, April 1, 1992, cover price $30.50 | About this edition: Presents opposing views on the effects of the earth's rising population