when he came across one of those “fairly rare books with that particular green color, I bought it strictly for that cover. Because it was so unusual.” (Cal Cary / For The Washington Post ...

A handful of books published in the mid-19th century, bound and covered with a pigment known as emerald green, are both rare and potentially deadly. The verdant hue, also known as Paris green ...

when he came across one of those “fairly rare books with that particular green color, I bought it strictly for that cover. Because it was so unusual.” Thanks to the Poison Book Project ...