The text books are licensed per kid....not per device. That's why publishers are willing to sell $15 etext books rather than $75 paper text books that the school will reuse for 5 years (and woe to the kids getting those books in years 3,4, and 5).
The $15 iTextBooks will belong to the child...forever. They won't be resold or given back or used by next year's kid.
It's a good deal, for even if you buy a text book and give it back/resell it, you'll have spent much more than $15.
Lee
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