Seth Godin has a question for readers at TED Conversations:

What's the overlooked gem, the book I haven't read that I must? Every reader has at least one, that book that never caught on, or is out of print, but that resonates so much with people that they can't forget it.

Lots of good answers here. My personal fave: "My Dog Tulip."

We want to hear what you think about this article. Submit a letter to the editor or write to letters@theatlantic.com.