Because publishers want your money. This is actually a HUGE problem in academia that has yet to be disrupted. "we believe the publisher adds relatively lit

Because publishers want your money. This is actually a HUGE problem in academia that has yet to be disrupted. "we believe the publisher adds relatively little value to the publishing process... We are simply observing that if the process really were as complex, costly and value-added as the publishers protest that it is, 40% margins wouldn't be available."[0] [0]: http://en.wikipedia.org/wiki/Academic_publishing http://en.wikipedia.org/wiki/Academic_publishing