Amazon: E-Books outselling hardcovers

Amazon.com said it reached a milestone, selling more e-books than hardbacks over the past three months, according to a report by the Wall Street Journal. In a statement Monday, Amazon CEO Jeff Bezos said the company’s Kindle e-reading device had experienced tripled growth since the company lowered its price to $189 from $259 last month, following� � to cut the price on its Nook e-reader.Amazon said Kindle device sales accelerated each month in the second quarter -- both on a sequential month-over-month basis and on a year-over-year basis.Still, Amazon said its hardback book unit sales also continued to increase.