"So you're saying that if it's been written down, you know it?"

"I know it. I understand it."

I sat down slowly on the couch, and stared at her. Hell's bells. It was almost too much to comprehend. Knowledge is power, and if Ivy was telling me the truth, she knew more than anyone alive. "How did you get this gig?"

"My mother passed it on to me," she replied. "As I was born, just as she received it when she was born."

"And your mother lets a mercenary drive you around?"

"Certainly not. My mother is dead, wizard." She frowned. "Not dead, technically. But all that she knew and was came into me. She became an empty cup. A persistent vegetative state." Her eyes grew a little wistful, distant. "She's free of it. But she certainly isn't alive in the most vital sense."

"I'm sorry," I said.

"I wouldn't know why. I know my mother. And all before her." She put a finger to her temple. "It's all in here."

"You know how to use magic?" I asked.

"I prefer calculus."

"But you can do it."

"Yes."

Yikes. If the reaction of my wards was any indication, it meant that she was at least as strong as any Wizard of the White Council. Probably stronger. But if that was true -

"If you know that much," I said, "if you are that powerful, why did you hire a bodyguard to bring you here?"

"My feet don't reach the pedals."

I felt like smacking myself on the forehead. "Oh, right."

Ivy nodded. "In preparation for the duel, I will need some information. Namely, where I might contact your second and what weapon you prefer for the duel."

"I don't have a second yet."

Ivy arched an eyebrow. "Then you have until sundown this evening to gain one. Otherwise the match, and your life, will be forfeit."

"Forfeit? Uh, how would the forfeit be collected?"

The little girl stared at me for a silent moment. Then she said, "I'll do it."

I swallowed, a cold chill rippling over me. I believed her. I believed that she could, and I believed that she would. "Um. Okay. Look, I haven't exactly chosen a weapon yet, either. If I-"

"Simply choose one, Mister Dresden. Will, skill, energy, or flesh."

"Wait," I said. "I thought I got to pick swords or guns or something."

Ivy shook her head. "Read your copy of the Accords. I choose what is available, and I choose the ancient ways. You may match wills with your opponent to gauge which of you is the most determined. You may match your skill at arms against his, each of you with weaponry of your individual choosing. You may wield energy forces against each other. Or you may challenge him to unarmed combat." She considered. "I would advise against the last."

"Thanks," I muttered. "I'll take magic. Energy."

"You realize, of course, that he will decline in that venue and you will be forced to choose another."

I sighed. "Yeah. But until he does, I don't have to pick another one, right?"

"Indeed," Ivy acknowledged.

There was a knock on the door, and I got up to open it. Kincaid nodded to me, then leaned in and said, "Ten minutes."

"Thank you, Kincaid," Ivy said. She rose, drew a business card from her pocket, and passed it to me. "Have your second call this number."

I took the card and nodded. "I will."

Just then, Mister emerged from my bedroom and lazily arched his back. Then he padded over to me and rubbed his shoulder against my shin by way of greeting.

Ivy blinked and looked down at Mister, and her child's face was suddenly suffused with a pure and uncomplicated joy. She said, "Kitty!" and immediately knelt down to pet Mister. Mister apparently liked her. He started purring louder, and walked around Ivy, rubbing up against her while she petted him and spoke to him quietly.

Hell's bells. It was adorable. She was just a kid.

A kid who knew more than any mortal alive. A kid with a scary amount of magical power. A kid who would kill me if I didn't show up to the duel. But still a kid.

I glanced up at Kincaid, who stood frowning down at Ivy fawning all over Mister. He shook his head and muttered, "Now, that's just creepy."

Chapter Eleven

Ivy seemed reluctant to leave off petting Mister, but she and Kincaid left without further conversation. I shut the door after them and leaned on it, listening with my eyes closed until they'd gone. I didn't feel as tired as I should have. Probably because I had a wealth of experience that suggested I would get a lot more worn out before I got a real chance to rest.

Mister rubbed up against my legs until I'd leaned down to pet him, after which he promptly walked over to his food bowl, ignoring me altogether. I grabbed a Coke from the icebox while he ate, absently pouring a bit onto a saucer and leaving it on the floor by Mister. By the time I'd finished it, I'd made up my mind about what I had to do next.

Make phone calls.

I called the number Vincent had left for me first. I expected to reach an answering service, but to my surprise Vincent's voice, tense and anxious, said, "Yes?"

"It's Harry Dresden," I said. "I wanted to check in with you."

"Ah, yes, just a moment," Vincent said. I heard him say something, caught a bit of conversation in the background, and then heard him walking and a door shut behind him. "The police," he said. "I've been working with them throughout the evening."

"Any luck?" I asked.

"God only knows," Vincent said. "But from my perspective, it seems the only thing accomplished is deciding which department is going to handle the investigation."

"Homicide?" I guessed.

Vincent's tired voice became dry. "Yes. Though the mind boggles at the chain of logic that led to it."

"Election year. City management is politicking," I said. "But once you start dealing with the actual police personnel, you should be all right. There are good people in every department."

"One hopes. Have you found anything?"

"I've got a lead. I don't know how good. The thieves might be on a small craft in the harbor. I'm heading down there presently."

"Very well," Vincent said.

"If the lead is good, do you want me to call CPD?"

"I'd rather you contacted me first," Vincent said. "I am still uncertain of how much trust to place in the local police. I cannot help but think it must have been the reason the thieves fled here-that they possessed some contact or advantage with the local authorities. I'd like as much time as possible to decide whom to trust."

I frowned and thought about Marcone's flunkies taking a shot at me. Chicago PD had an unfair reputation for corruption, thanks in part to the widespread mob activity during Prohibition. It was inaccurate, but people were people, and people aren't immune to being bought. Marcone had attained police-only information with disturbing speed before. "Might be smart. I'll check it out and let you know. Shouldn't be more than an hour or two."

"Very good. Thank you, Mister Dresden. Is there anything else?"

"Yeah," I said. "I should have thought of this last night. Do you have any pieces of the Shroud?"

"Pieces?" Vincent asked.

"Scraps or threads. I know that many samples were analyzed back in the seventies. Do you have access to any of those pieces?"

"Very possibly. Why?"

I had to remind myself that Vincent seemed to be largely a nonbeliever in the supernatural, so I couldn't come out and say that I wanted to use thaumaturgy to track down the Shroud. "To confirm identification when I find it. I don't want to get foxed with a decoy."

"Of course. I'll make a call," Vincent said. "Get a sample FedExed here. Thank you, Mister Dresden."

I said good-bye, hung up, and stared at the phone for a minute. Then I took a deep breath and dialed Michael's number.

Even though the sky was barely light with morning, the phone rang only once before a woman's voice said, "Hello?"