Yeah, and an even sadder fact is usually only ~ $2-4 dollars goes to the professor / author on a book that costs $100-300 dollars for a student to purchase. A

Yeah, and an even sadder fact is usually only ~ $2-4 dollars goes to the professor / author on a book that costs $100-300 dollars for a student to purchase. A lot of times the person spent so much time and energy writing their book, this is a major motivator to mandate / force it's usage whenever possible. One time my art teacher made us buy his book, but it was only $30 and was pretty good actually, and I still have it on my shelf today. However, such cases are the exception.