Food grade diatomaceous earth (DE)
Non-toxic pest control  Alternative Medicine  Animal Health

[One of the more mind blowing discoveries on the animal health side, even the Nutritional vets kept very quiet about this one.]

Amazing Bedbug/flea/mite/spider/invisible etc., non-toxic solution

External
FOOD GRADE DIATOMACEOUS EARTH. FACTS & INFORMATION  
Food Grade Diatomaceous Earth
Diatomaceous Earth (food grade): bug killer you can eat!

Books
[2010] Going Green Using Diatomaceous Earth How-To Tips by Tui Rose RN

The Best Control II. Intelligent Pest Management by Steve Tvedten   [PDF format Steve Tvedten

Purchase
http://www.amazon.co.uk
http://www.amazon.com
diatomaceous earth (food grade)
Diatomaceous Earth (food grade) - Five Pounds
http://www.earthworkshealth.com