David E. Christensen eBooks
eBooks found: 2
Earth Is Overpopulated Now
iUniverse, Inc., April 2007
ISBN: 9780595424276
The population of the world was about 2 billion when I was born in 1921, and it is 6.5 billion this year (2006). With about 120 million now being added each year, the population of the world is expected >>
List Price:
$6.00
eBook price:
$5.99
Healing the World
iUniverse, Inc., September 2005
ISBN: 9780595363865
Healing the World identifies and offers possible solutions to three critical and urgent problems that face mankind today. David Christensen, PhD, a retired geography professor, has studied how people have >>
List Price:
$6.00
eBook price:
$5.99
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