“Hold on, everyone here tonight is talking to a computer?!”

“Technically, everyone is talking to me. I’m able to partition myself quite easily. You are hearing my default voice—the voice that Edmond prefers—but others are hearing other voices or languages. Based on your profile as an American academic male, I chose my default male British accent for you. I predicted that it would breed more confidence than, for example, a young female with a southern drawl.”

Did this thing just call me a chauvinist?

Langdon recalled a popular recording that had circulated online several years ago: Time magazine’s bureau chief Michael Scherer had been phoned by a telemarketing robot that was so eerily human that Scherer had posted a recording of the call online for everyone to hear.

That was years ago, Langdon realized.

Langdon knew that Kirsch had been dabbling in artificial intelligence for years, appearing on magazine covers from time to time to hail various breakthroughs. Apparently, his offspring “Winston” represented Kirsch’s current state of the art.

“I realize this is all happening quickly,” the voice continued, “but Mr. Kirsch requested that I show you this spiral at which you are now standing. He asked that you please enter the spiral and continue all the way to the center.”

Langdon peered down the narrow curving passage and felt his muscles tighten. Is this Edmond’s idea of a college prank? “Can you just tell me what’s in there? I’m not a big fan of cramped spaces.”

“Interesting, I didn’t know that about you.”

“Claustrophobia is not something I include in my online bio.” Langdon caught himself, still unable to fathom that he was speaking to a machine.

“You needn’t be afraid. The space in the center of the spiral is quite large, and Mr. Kirsch requested specifically that you see the center. Before you enter, however, Edmond asked that you remove your headset and place it on the floor out here.”

Langdon looked at the looming structure and hesitated. “You’re not coming with me?”

“Apparently not.”

“You know, this is all very strange, and I’m not exactly—”

“Professor, considering Edmond brought you all the way to this event, it seems a small request that you walk a short distance into this piece of art. Children do it every day and survive.”

Langdon had never been reprimanded by a computer, if that was in fact what this was, but the cutting comment had the desired effect. He removed his headset and carefully placed it on the floor, turning now to face the opening in the spiral. The high walls formed a narrow canyon that curved out of sight, disappearing into darkness.

“Here goes nothing,” he said to nobody at all.

Langdon took a deep breath and strode into the opening.

The path curled on and on, farther than he imagined, winding deeper, and Langdon soon had no idea how many rotations he had made. With each clockwise revolution, the passage grew tighter, and Langdon’s broad shoulders were now nearly brushing the walls. Breathe, Robert. The slanting metal sheets felt as if they might collapse inward at any moment and crush him beneath tons of steel.

Why am I doing this?

A moment before Langdon was about to turn around and head back, the passageway abruptly ended, depositing him in a large open space. As promised, the chamber was larger than he expected. Langdon stepped quickly out of the tunnel into the open, exhaling as he surveyed the bare floor and high metal walls, wondering again if this was some kind of elaborate sophomoric hoax.

A door clicked somewhere outside, and brisk footsteps echoed beyond the high walls. Someone had entered the gallery, coming through the nearby door that Langdon had seen. The footsteps approached the spiral and then began circling around Langdon, growing louder with every turn. Someone was entering the coil.

Langdon backed up and faced the opening as the footsteps kept circling, drawing closer. The staccato clicking grew louder until, suddenly, a man appeared out of the tunnel. He was short and slender with pale skin, piercing eyes, and an unruly mop of black hair.

Langdon stared stone-faced at the man for a long moment, and then, finally, permitted a broad grin to spread across his face. “The great Edmond Kirsch always makes an entrance.”

“Only one chance to make a first impression,” Kirsch replied affably. “I’ve missed you, Robert. Thanks for coming.”

The two men shared a heartfelt embrace. As Langdon patted his old friend on the back, he sensed that Kirsch had grown thinner.

“You’ve lost weight,” Langdon said.

“I went vegan,” Kirsch replied. “Easier than the elliptical.”

Langdon laughed. “Well, it’s great to see you. And, as usual, you’ve made me feel overdressed.”

“Who, me?” Kirsch glanced down at his black skinny jeans, pressed white V-neck tee, and side-zip bomber jacket. “This is couture.”

“White flip-flops are couture?”

“Flip-flops?! These are Ferragamo Guineas.”

“And I’m guessing they cost more than my entire ensemble.”

Edmond walked over and examined the label of Langdon’s classic jacket. “Actually,” he said, smiling warmly, “those are pretty nice tails. It’s close.”

“I’ve got to tell you, Edmond, your synthetic friend Winston … very unsettling.”

Kirsch beamed. “Incredible, right? You can’t believe what I’ve accomplished in artificial intelligence this year—quantum leaps. I’ve developed a few new proprietary technologies that are enabling machines to problem-solve and self-regulate in entirely new ways. Winston is a work in progress, but he improves daily.”