How Deep is a League?

We all know Professor Aronnax and his companions traveled 20,000 leagues under the sea in Captain Nemo’s submarine, the Nautilus. Just how deep is that? It turns out, that’s the wrong question.

Let’s set that aside a moment.

You can certainly sense the excitement building—on the web, in the bookstores, and in conversations with everyone you meet. Less than a week to go, now, until the launch of the new anthology 20,000 Leagues Remembered. On Saturday, June 20, you can celebrate the 150...