Educator and author Jim Davidson has been teaching history, mathematics, economics, philosophy, art, physics, debate, and software technologies since 1977.
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Freedom novel
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I will send you a pdf of my Space Scouts Field Manual
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My book "The Space Scout Manual" is available today, free, from BadQuaker.com It covers experiments you can perform with your family to measure the size of the Earth.
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Houston Space Society will receive these funds to support the library it maintains.
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