Lost in the Archives

By ERIC JAGER

When I tell people that the five years I spent researching and writing my last book included about a month and a half of work in the French national archives, they often look skeptical or even laugh, saying, "Right, research in France. That sounds really tough." Sometimes they pantomime the copious drinking of wine. Or they ask why anyone needs to go to the archives at all, since everything is now on the Internet.

Actually there's a lot that isn't on the Internet. And once you fly