Killer books — literally. (Sorry, couldn’t resist.) I knew about toxic wallpaper, but hadn’t turned the page on poisonous books. (Apologies for the pun. I’ll s

Killer books — literally. (Sorry, couldn’t resist.) I knew about toxic wallpaper, but hadn’t turned the page on poisonous books. (Apologies for the pun. I’ll see myself out.) But in all seriousness, I’m glad to see efforts like this helping to identify and prevent potential harm.