Today, the card is used mostly to check out library books and get into leisure centres.

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Another good resource: Check out these books to get rich by.

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Pause in the library to check out the books the average prisoner read at a rate of 75 to 100 per year - though none of the books could have references to crime, violence or sex.

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Sony Reader customers can use the company's Library Finder software and check out e-books with a valid library card.

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In his Carnegie speech, Ness recalled how the librarians of his childhood would sometimes let him "check out some eyebrow-raising books".

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The Times also cautioned investors to check out how a company keeps its books before betting too heavily on it.

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To find out whether your public library lends out e-books, check their website or ask a librarian.

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Again, we don't know pricing or availability for either of these Tab-Books, so for now check out the gallery below and stay tuned for a video walkthrough.

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