Toxic books are in the news after four arsenic-laced volumes were quarantined from the shelves of France's national library. But how dangerous are these books? And how can you spot them?

This emerald-green pigment was used in Victorian-era wallpaper, garments and—as Winterthur found out—in cloth book covers.

The use of poison as a murder weapon goes back thousands ... Wromley writes Microchemistry of Poisons, the first American book dedicated to "the study of the chemical properties of poisons as ...

Venom and poison can both be deadly, but they're two distinct natural weapons. The terms 'venom' and 'poison' are often used to mean the same thing: a toxic chemical produced naturally by an animal.