File:The Road to Lichfield.jpg - Wikipedia

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The entire front cover. Because the image is a book cover, a form of product packaging, the entire image is needed to identify the product, properly convey the meaning and branding intended, and avoid tarnishing or misrepresenting the image.

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The Road to Lichfield

Main infobox. The image is used for identification in the context of critical commentary of the work for which it serves as cover art. It makes a significant contribution to the user's understanding of the article, which could not practically be conveyed by words alone. The image is placed in the infobox at the top of the article discussing the work, to show the primary visual image associated with the work, and to help the user quickly identify the work and know they have found what they are looking for. Use for this purpose does not compete with the purposes of the original work, namely the book cover creator's ability to provide book cover design services and in turn marketing books to the public.

As a book cover, the image is not replaceable by free content; any other image that shows the packaging of the book would also be copyrighted, and any version that is not true to the original would be inadequate for identification or commentary. Using a different image in the infobox would be misleading as to the identity of the work.