a book that changed the world

It's not always easy to find examples of works of art or literature that have actually changed the world. But here's a good one.

In the week of the Oscars, Ban Ki-moon went to Hollywood to encourage writers and directors to write about climate change. In an online discussion afterwards on Climate Progress, the screenwriter Richard Brenne quoted the remark Abraham Lincoln made to Harriet Beecher Stowe, the author of the anti-slavery novel Uncle Tom's Cabin (1852).

Lincoln said: "Are you the little woman that started this great war?"