Here's an HN discussion about a particularly egregious example: http://news.ycombinator.com/item?id=4405296 http://news.ycombinator.com/item?id=4405296 There

Here's an HN discussion about a particularly egregious example: http://news.ycombinator.com/item?id=4405296 http://news.ycombinator.com/item?id=4405296 There are strong indications in this case and mentioned in the discussion that the textbook industry is actively catering to professors who work like that.