We approached another corridor perpendicular to the one we had just walked down. In the middle of the crossway was a large, circular void with a wrought-iron rail and a spiral staircase bolted securely to one side. We walked over to the handrail and peered down. Not more than thirty feet below us, I could see another floor, exactly like this one. In the middle of that floor was another circular void through which I could see another floor, and another and another, and so on to the depths of the library. It was the same above us.

“Twenty-six floors for the published works,” replied Thursday5 as I caught her eye and raised an eyebrow quizzically, “and twenty-six subbasements where books are actually constructed—the Well of Lost Plots.”

I beckoned her to the ornate wrought-iron elevator and pressed the call button. We got into the elevator, I drew the gates shut with a clatter, and the electric motors whined as we headed upward. Because there are very few authors whose names begin with Q, X and Z, floors seventeen, twenty-four and twenty-six were relatively empty and thus free for other purposes. The seventeenth floor housed the Mispeling Vyrus Farst Respons Groop, the twenty-fourth floor was used essentially for storage, and the twenty-sixth was where the legislative body that governs the BookWorld had taken up residence: the Council of Genres.

This was a floor unlike any other in the Great Library. Gone were the dark wood, molded plaster ceilings and busts of long-dead writers, and in their place was a light, airy working space with a roof of curved wrought iron covered in glass through which we could see the clouds and sky. I beckoned Thursday5 to a large picture window in an area to one side of the corridor. There were a few chairs scattered about, and it was a restful spot, designed so that overworked CofG employees could relax for a moment. I had stood here with my own mentor, the first Miss Havisham, almost sixteen years previously.

“The Great Library looks smaller from the outside,” observed Thursday5, staring out the window at the rain-streaked exterior.

She was right. The corridors in the library below could be as long as two hundred miles in each direction, expandable upon requirements, but from the outside the library looked more akin to the Chrysler Building, liberally decorated with stainless-steel statuary and measuring less than two hundred yards along each face. And even though we were only on the twenty-sixth floor, it looked a great deal higher. I had once been to the top of the 120-story Goliath Tower at Goliathopolis, and this seemed easily as high as that.

“The other towers?” she asked, still staring out the window. Far below us were the treetops of a deep forest flecked with mist, and scattered around at varying distances were other towers just like ours.