If you’ve been to college, you know that, in many cases, the text books required for a course become obsolete before your time in school is over, and that’s a shame considering how much those books cost. Starting September 1st, you’ll be able to get Principals of Biology, an electronic text book that will be kept up to date. It will be available in the form of a website, making it accessible from a wide variety of devices. The best part is that it will only be $49, making it cheaper than many other text books on the market, which means you’ll have more money for pizza and beer.

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