Amazon’s one-day eTextbook sale might sound like it’s only for students, but education never stops, and the sale is full of titles that anyone could learn a thing or two from.

In addition to legitimate medical textbooks and the like, you’ll find titles for just a few bucks that teach you Raspberry Pi programming, Lean Six Sigma, or even the origin stories of successful startups. It’s a lot to sort through, but the sidebar on the left side of the page can show you titles just in the areas your interested in. Now get to class.

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