Prices on Amazon of various versions of a book I want (prices of real books include free two-day shipping):
Paperback, new: $10.20
Kindle eBook: $11.99 (noted by Amazon: "This price was set by the publisher")
Hardcover, used: $4.00
Paperback, used: $3.98
Guess which one I bought? What kind of suckers do they think they are dealing with here?