Originally Posted By: FireFox31
Primary targets include college textbooks and scientific reference material from 10 to 50 years old.


By definition, scientific textbooks from the past are outdated and the so-called "knowledge" contained within could turn out to be false. Their only value is as a historical curiosity ("hey look, those guys thought Pluto was a planet back then.").

Bin 'em.
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Tony Fabris