A poorly written "book" that you are forced by naive professors to purchase at outrageous prices. To
curb the used market, the pages are renumbered, the cover
changed, and the book republished as a "new edition" every few years.
Person #1:
Dude, i just sold back all my
college textbooks and got $80 dollars!
Sweet!
Person #2: Do you remember what you paid for them?
Person #1: Yeah, $600. Why?
Person #2: Never mind...