junesim63, 
Do you own an old 19th century book, bound in green cloth?
Then you should read this article...#Books #OldBooks #Literature #Libraries #Toxins #Poisons
Many old books contain toxic chemicals – here’s how to spot them
https://theconversation.com/many-old-books-contain-toxic-chemicals-heres-how-to-spot-them-228834
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