The overall boom in the e-book market will no doubt boost every company involved.

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Amazon still has a large share of the e-book market, but it's no longer 90%.

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Under the terms of the one-year project, the libraries will pay retail-level prices once a year to keep any given e-book available, no matter how many times it's virtually borrowed by residents in the boroughs.

ENGADGET: Penguin slinks back into e-book lending for New York City libraries, with a possible catch

The e-book market, in any volume at least, is no more than two or three years old.

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Just wait till the baby-boom generation gets a little older and the typeface on the e-book gets more readable--it might even climb to No. 1.

FORBES: Readers Say

This e-mail was incorrect, and there is no action required to continue enjoying the book.

FORBES: The Mystery of the Amazon Refund Email

Overdrive, which powers the back-end of e-book lending for thousands of libraries, has confirmed that Penguin is no longer allowing library lending of its new titles.

FORBES: Penguin Group Has Halted Library Lending For E-Books