Foer dives into the world of conlangers (constructed language), and Quijada's invitation to speak at a conference devoted to his language. That trip proved startling in several ways. But along the way, Foer touches on everything from Esperanto to Tolkein and Heinlein, to the most successful of invented languages, Klingon.
Back in college, I briefly toyed with studying linguistics. It still deeply interests me. But at my university, the head of that department was insufferable. And librarianship really has been a lifelong passion for me.
But what an interesting world!