To me it implicitly means: “I am selling you my distilled copy of the book at nearly the price of the book. That lets me recoup my investment, and after a few d

To me it implicitly means: “I am selling you my distilled copy of the book at nearly the price of the book. That lets me recoup my investment, and after a few days I will take it offline, so I don’t get a law suit from O’Reilley for copyright infringement.”