Hindustan TimesAmazon's E-book Sales Up 80%: Hardcovers Not Dead YetPC WorldAmazon says its Kindle e-book sales are three times larger than they were last year, and it sells 43 percent more Kindle e-books than hardcover books on average. It's pretty clear that people are adopting Kindle Books, and e-books in general, ...TechBytes: eBook Tipping PointABC NewsAmazon.com Claims It's Selling 80% More E-Books Than HardcoversMediapost.comAmazon.com says it's selling 80% more downloaded books than hardcoversLos Angeles TimesTechtree.com -BusinessWeek -The Atlantic (blog)all 397 news articles »