File:Divine Proportions, Rational Trigonometry to Universal Geometry.jpeg

Summary

Media data and Non-free use rationale
Description	Divine Proportions: Rational Trigonometry to Universal Geometry book cover
Author or copyright owner	Norman J. Wildberger
Source (WP:NFCC#4)	https://www.goodreads.com/book/show/791022.Divine_Proportions?ref=nav_sb_ss_1_63
Date of publication	2005
Use in article (WP:NFCC#7)	Divine Proportions: Rational Trigonometry to Universal Geometry
Purpose of use in article (WP:NFCC#8)	to serve as the primary means of visual identification at the top of the article dedicated to the work in question.
Not replaceable with free media because (WP:NFCC#1)	Any derivative work based upon the cover art would be a copyright violation, so creation of a free image is not possible.
Minimal use (WP:NFCC#3)	This image is being used only once in the infobox of the named article and for purposes of identification only.
Respect for commercial opportunities (WP:NFCC#2)	The use of a low resolution image of a work's cover will not impact the commercial viability of the work.
Fair useFair use of copyrighted material in the context of Divine Proportions: Rational Trigonometry to Universal Geometry//en.wikipedia.org/wiki/File:Divine_Proportions,_Rational_Trigonometry_to_Universal_Geometry.jpegtrue

Licensing

This image is of book cover(s), and the copyright for it is most likely owned either by the artist who created the cover(s) or the publisher of the book(s). It is believed that the use of low-resolution images of book covers

to illustrate an article discussing the book in question
on the English-language Wikipedia, hosted on servers in the United States by the non-profit Wikimedia Foundation,

qualifies as fair use under the copyright law of the United States. Any other uses of this image, on Wikipedia or elsewhere, might be copyright infringement. See Wikipedia:Non-free content for more information.
Fair use

To the uploader:

Please add a detailed non-free use rationale for each article the image is used in, which must also declare compliance with the other parts of the non-free content criteria, as well as the source of the work and copyright information.
For example non-free use rationales, see Wikipedia:Use rationale examples.
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