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The individual or group credited with creating the main content of a product, such as a book, film, or other creative work. The value is a free‑text string representing the name(s) of the primary creator.

The method used to bind the pages of a book or similar printed material, such as paperback, hardcover, spiral, wirebound, or other binding styles.

The total count of individual pages contained in a book or printed publication. It represents the number of physical sheets that make up the product, regardless of layout or formatting.

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

The calendar year in which the product was first published or released to the public. It is expressed as a four‑digit number (e.g., 2015) and can be used to filter, sort, or compare products by their release period.