Dear teachers from Nepal,

Our well wisher and health, environment and peace activist Lesa R Walker from the USA has provided us with coupon codes for getting her 3 online books for free

Link: 
https://www.smashwords.com/profile/view/idea4ide
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Coupon Codes:
"Olymp-i-a Health Challenge 1" (use code AC77X)
"Olymp-i-a Green Challenge 1" (use code AW97A)
"Olymp-i-a Peace Challenge 1" (use code BQ55D).