Staining and sun damage.
The back cover of The Tale of Reddy Woodpecker by Arthur Scott Bailey (1922). Original from the New York Public Library. Digitized May 18, 2007.
Staining and sun damage.
The back cover of The Tale of Reddy Woodpecker by Arthur Scott Bailey (1922). Original from the New York Public Library. Digitized May 18, 2007.
Sun damage.
From the back cover of Manhattan in 1628 by Jonas Michaëlius, Dingman Versteeg (1901). Original from Harvard University. Digitized August 26, 2008.
The shape of the book sitting next to this one was preserved by sun damage.
From the back cover of On the Structure of Lavas which have Consolidated on Steep Slopes, by Sir Charles Lyell (1859). [Here]
Evidence of a book tie (sun/acid damage?)
Front cover of An Exposition Upon the Epistle of Jude by Jenkyn and Sherman (1839). [Here]