You guys are going to be very excited about this. Via Creative Commons comes the Make Textbooks Affordable Campaign to Reduce College Textbook Costs. I'll give you the first part of the faculty statement, which you can sign on the site:

Given that the cost of college textbooks has become a major affordability issue for low and middle income students, adding to the potential that these students will either drop out, take on additional loan debt to pay for textbooks, or undercut their own learning by forgoing the purchase of textbooks; and,

Given that textbook publishers have not responded adequately to these concerns, but have continued to exacerbate this problem by raising prices and employing practices such as unnecessarily issuing new editions of textbooks; and,

Given that faculty and students both share a concern about textbook affordability and its impact on student success; and,

Given that we must address this problem without undermining the academic freedom of faculty to choose course content;

Therefore, we state the following:

Read the rest...