Millions of gift-wrapped iPads, Kindles, Nooks and other digital reading devices resulted in an unprecedented surge in sales of e-books last week.

USA TODAY's Best-Selling Books list, to be published Thursday, will show digital's new popularity: E-book versions of the top six books outsold the print versions last week. And of the top 50, 19 had higher e-book than print sales.

It's the first time the top-50 list has had more than two titles in which the e-version outsold print.

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#e-book
#電子書籍