None of Ferris' books is younger than 10 years. Used copies are plentiful, hardly a library who has not been touched.
At some time, the market has been satisfied.
None of Ferris' books is younger than 10 years. Used copies are plentiful, hardly a library who has not been touched.
At some time, the market has been satisfied.
That might be true but why the steep drop rather than a slow decline?