The Riddle of the Sands A Record of Secret Service

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A unique identifier assigned to books and other printed publications, typically consisting of 10 or 13 digits. It may include hyphens for readability but is treated as a string value. The ISBN uniquely identifies a specific edition of a title across the publishing industry.

A list of the natural languages in which a product is available or supported.

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The name of the entity that publishes or distributes the product, such as a book, magazine, or other media item.