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Remember when NFTs sold for millions of dollars? 95% of the digital collectibles are now probably worthless.
(markets.businessinsider.com)
This is a most excellent place for technology news and articles.
Sure you are. You're allowed to sell it to a book store, and if it's somehow more valuable than what you paid when you bought it, you profit.
You can't make copies and then sell those copies to the book store
Legally I cannot, but physically the book does not come with a device that prevents me from doing so.