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The nation in which a book or other published work was first released to the public. It indicates the country where the publication event took place, regardless of the author’s nationality or the publisher’s location.

The pixel dimensions of a display or image, expressed as width by height (e.g., 1920x1080). It indicates how many pixels are used to render the visual content and is commonly used for monitors, TVs, smartphones, cameras, and digital images.

The vertical dimension of a product measured from its lowest to highest point. It is expressed in a physical unit such as millimetres, centimetres or inches and applies to any item where height is relevant, including books, electronics, furniture and other objects.

The name of the entity that publishes or distributes the product. It typically refers to a publishing house, imprint, or brand responsible for producing and releasing the item.

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.

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 calendar date on which the product was first made available to the public or released for sale. It is expressed as a full year, month, and day (YYYY-MM-DD) and can be used to filter or sort items by release period.

The linear measurement of a book’s spine from one edge to the other, expressed in units such as millimetres or inches. It indicates how thick the binding is and helps determine storage space, handling, and compatibility with shelving or protective covers.

The mass of the product expressed in a standard unit such as grams or kilograms. It represents how heavy the item is and can be used for shipping calculations, handling instructions, or consumer information.

The horizontal measurement of a product, expressed in a linear unit such as millimetres or inches. It indicates how wide the item is from one side to the other and is used for sizing, fitting, and compatibility purposes.