Beware emerald green books. The Poison Book Project seeks to identify books dyed with toxic pigments: https://www.iiconservation.org/content/poison-book-project
@dzshuniper I was going to say I’m sure there’s a murder mystery just waiting to happen here, but I think someone already wrote one
FWIW here is the other poison book project page: http://wiki.winterthur.org/wiki/Poison_Book_Project
Interesting stuff, I knew about the problems in wallpaper but I had never considered books!
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