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ISBN Number - Walter Shillington's Author's Workshop

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The International Standard Book Number is employed, worldwide, to catalogue books.  Although it is not a necessary step to publishing, many retailers will not stock a book which lacks an ISBN.  Because each ISBN indicates the format of the published material, the same number cannot be used for both the eBook and printed version of a single manuscript.  

The following list notes the organizations responsible for supplying ISBN numbers in a small sample of countries.  If your country is not listed, the proper agency can be easily located using Google.

Canada - Government of Canada Publications     The ISBN service is free in Canada.

USA - Bowker ISBN Agency  

UK -  Nielsen UK ISBN Agency  

Australia  - The Austrailian ISBN Agency (Thorpe-Bowker)  

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