Textbook rant

I've spent the last few months looking at marketing textbooks. I'm assuming that they are fairly representative of textbooks in general, and since this is a topic I'm interested in, it seemed like a good area to focus on.

As far as I can tell, assigning a textbook to your college class is academic malpractice.

They are expensive. $50 is the low end, $200 is more typical. A textbook author in Toronto made enough money from his calculus textbook to afford a $20 million house. This is absurd on its f