  SAMPLE
ISBN: |
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| The
ISBN (International Standard Book Number) is a unique machine-readable
identification number, which marks any book unmistakably. |
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| LOCATION: |
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An
ISBN can usually be found
on the back cover of every
textbook. |
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If
you cannot locate the ISBN of your book on the back cover,
you should find it printed on the inside. It is usually located on
one of the first few pages of the book, along with the publication information. |
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| CONTENT: |
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| An ISBN is ten or thirteen characters in length. |
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The last character of an ISBN
may be the letter X. |
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