File:Castle in the Air Cover first edition.jpg

Summary
Image found at: https://en.wikipedia.org/wiki/File:Castle_in_the_Air_Cover.jpg The image itself: https://upload.wikimedia.org/wikipedia/en/6/60/Castle_in_the_Air_Cover.jpg Wikipedia obtained this file from: www.isfdb.org/cgi-bin/pl.cgi?6274

Wikipedia description: "This is the front cover art for the book Castle in the sky written by Diana Wynne Jones. The book cover art copyright is believed to belong to the publisher, Methuen, or the cover artist, Alan Fraser."

Licensing information from Wikipedia: "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: 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."
 * 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,