"I don't think they'll let me have mead, but I wouldn't mind the real Hammer." Matt fingered his amulet.

All the Valkyries just stared, stone-faced. Fen felt just as frustrated as they looked. Sure, Thorsen didn't know what Fen had risked or what trouble awaited if the Raiders caught up with them, but here they were with an offer of help that was being dashed as quickly as it had arrived. He didn't feel like arguing the matter, either, but Matt was persistent. Fen had to give him credit for that. He was ready to walk away, but Thorsen was obviously still clinging to the hope that the Valkyries could be convinced to offer genuine aid.

Matt sighed. "Come on. It's a war. The Midgard Serpent isn't going to let us settle this over a game of Tafl." He paused. "Unless that's a possibility, 'cause I'm pretty good at that, too. Would save a lot of trouble. Lot less messy, too. So, what do you think?"

"I think you are not taking this seriously enough," Hildar said.

She seemed to think that Thorsen was being flip with her, but she'd already said it wasn't a fight. It only made sense to come up with other possible types of challenges. Fen didn't figure pointing that out would earn them any favors, though, so he kept his mouth shut and waited.

"The fate of the world is in your hands," one of the other Valkyries said.

Laurie stepped forward, drawing everyone's gaze to her. "Then help us."

Fen felt a flash of worry and eased closer to her. She was where his loyalty should be-and would be. Hildar saw his movement and smiled.

"You're the descendants of gods," Hildar said, almost kindly. "They died, and it's up to you now to fulfill the roles in the great fight. Ragnarok comes. This is your duty. We can't assume your duty for you."

"I didn't sign up for this. None of us did," Fen objected. It was like the world had spun backward a thousand years and they were now old enough to leave home and get married, old enough to fight, old enough to die. They were being asked to risk death because somewhere forever ago they had relatives who were gods. Worse still, those gods had died and left them a mess to handle.

"Did you not?" Hildar asked.

And Fen wondered briefly how much she knew. He had made a choice. When the Raiders came at Thorsen, Fen had chosen. When they were on the longship and Fen had heard Thorsen talk about Ragnarok just like Skull had talked about it, Fen had chosen. He'd decided to throw in on the side of the gods, the side that the prophecy said would lose. There was a part of him that wanted to be better than the god who was his long-gone ancestor, be a hero instead of a troublemaker, and maybe in doing so keep the monsters from winning. Being wulfenkind didn't make Skull or anyone else a monster, but wanting to destroy the world certainly did.

"What are we supposed to do?" Matt asked.

"We would prefer you to win," Hildar replied, not quite answering the more practical question Fen suspected Matt was asking. The Valkyrie continued, "If you are to win, you must be ready. You must not be children, waiting for things to be handed to you. You must find the others. In time, you must find Odin. You must collect Mjolnir, a feather from each of Odin's ravens, and the shield. These things will help you fight the serpent."

"Mjolnir? You mean... the Mjolnir? Thor's Hammer?" Matt looked like someone had offered him a great big prize, which, Fen supposed, she kind of had. A god's hammer would be pretty handy in a fight with monsters. It was a shame that no one was offering him a superweapon, too.

After another of those glances that made Fen think Hildar knew more than he'd like, she looked back at Matt and her lips twitched with the faintest sign of a smile. "That is what you wanted, is it not, son of Thor?"

"I was kidding," Matt said in a half-shocked voice. He took a deep breath. "So Mjolnir, feathers, and some shield. And the other kids. And Odin."

"You'll give us a clue, though, right?" Fen interjected. "That's what you said: you'd help."

Hildar nodded. "Indeed." She looked at them each in turn and then said, "Seek the twins first. To find them, go see the presidents. Their faces hold the answer."

Then she lifted her hand, and all the Valkyries turned away.

The riders swung onto their horses' backs. In an instant, hooves pounded; the horses and their riders were a blur, and then they were gone.

"Seriously?" Fen said, spinning around to face Laurie and Matt. "Seriously? Answers on the faces of the presidents? What kind of riddle is that?"

"It's not a riddle," Laurie said evenly. "It's Mount Rushmore."

"Yes!" Matt already looked calm again, and Fen wished briefly that he were that sure of himself-not always or anything, but sometimes.

Matt continued, "They mean we'll find the answer at Mount Rushmore. That's got to be it. Something there will lead us to the twins."

"What twins?" Laurie had a nervous look on her face. "Sorry. My mom was antiBlackwell history because my dad gets so into it. I had no idea it would ever matter."

Fen felt another flash of guilt. He hadn't had a choice about keeping secrets, but he also hadn't tried to convince her to pay attention to the myths, even though he knew she might turn into a wolf like him. Now she was caught up in a dangerous situation with a lot less information than she needed to have.

Uncle Stig is going to kill me... unless the Raiders do it first.

While Fen was stressing out, Matt seemed perfectly calm now that Laurie had asked a question he could answer. He launched into explaining the myths: "The twins are Frey and Freya. In the old stories, Freya is the goddess of love and beauty. Frey is the god of weather and fertility. We need to find their descendants, who are apparently also twins." Matt paused. "Two for one. That'll make it easier."

Fen scowled at him. "I don't think any of this is going to be easy."

"And that's the point," Laurie murmured.

"Okay, then," Matt said. "I guess we visit the presidents."

Blackwell wasn't too far away from Mount Rushmore, but it was a long enough walk that Fen wished he could change into a wolf and run. He wasn't about to leave his cousin behind, though. He'd promised Uncle Stig that he'd keep an eye on her, especially around boys. The idea of telling any of the family that he had left her alone with a Thorsen made his stomach twist inside him. He glanced at Matt and Laurie talking animatedly while they walked toward Mount Rushmore. It seemed like just friendship, but even that would anger the family.

And they'd blame me.

Fen was all on board with the stop-the-end-of-the-world part, and he hoped his family would be, too. They were mostly lone wolves or tithed. That had to mean his dad and Uncle Stig wouldn't side with the crazy let-the-world-end plan, right? Fen wasn't entirely sure about some of his family. What he did know, however, was that the Raiders definitely wouldn't be forgiving of any wulfenkind's decision to side with a Thorsen.

And Thorsen won't be forgiving if he finds out I was supposed to capture him and deliver him to them.

His whole family would be angry if they found out he was running across the state with a Thorsen. They might not all like the Raiders, but wulfenkind didn't help Thorsens. That part was just the way it was, the way it always had been. Matt didn't seem like most Thorsens, though. They'd fought side by side against the Raiders, and they'd stood side by side in the face of warrior women. Both times, Matt seemed to want to win more than be a show-off. It reminded Fen of what packs were supposed to be like, what families were supposed to be like. It wasn't what Fen would expect from a descendant of Thor. Surprisingly, Matt seemed like he was kind of an okay guy. Fen wasn't about to tell him that, but he really didn't want Matt or Laurie to know that he'd considered helping the Raiders capture Matt. Matt would hate him-and Laurie would probably be mad, too.

He hadn't wanted to deliver Matt to them, and he'd been trying to think of a solution. Throwing in against his own kind wasn't the one he'd meant to pick, but it had seemed like a good idea at the time. Still, if Laurie and Matt learned that Fen had given them the shield and that he was supposed to deliver Thorsen to the Raiders, they wouldn't understand. He knew it.

So they can't find out.

He knew how to keep a secret. He'd been dealing with knowing he was Loki's descendant for years, turning into a wolf the past year, paying tithe to the Raiders, keeping secrets from Laurie, and alternately hoping and not hoping that she'd be a wolf like him.

"Are you still with us?" Laurie looked over her shoulder at him.

"Sure." He thought about telling her the truth, or at least some of it, but Thorsen was watching, and Fen wasn't about to tell him. Fen would just continue to keep an eye out for Raiders, and they'd deal with any trouble if it came. What he could tell them was, "I know where the shield is."

"The shield the Valkyries said we need?"

A car passed, with music blaring, and Fen almost growled at how close it came to Laurie. He moved to walk beside her, and she stepped onto the gravel along the road. He nodded. "The Raiders have it. It's the one I was trying to get."

"Why didn't you tell me that's why you were trying to steal it?" Matt asked.

Laurie hugged him. "You could've at least told me you were trying to keep it out of their hands."

Gratefulness shot through him: their misunderstanding of his role in the shield's theft was the perfect cover.

"I never wanted you to know anything about the Raiders," he told her. That part was true. The part where he was trying to protect it from the Raiders, not that he stole it and delivered it to them, wasn't exactly true, of course.

He looked from Matt to Laurie and then added, "I don't know how we're going to get it from them, but at least we know where it is."

"And we know that Odin says we'll talk again, and even I know that Odin is supposed to be all-seeing in the stories. I'm guessing he'll be able to get us the feathers from his ravens." Laurie laughed. "Is it weird how easy it is to believe that all of this is real?"

"Don't know," Fen hedged. "I've always known some of it. Thorsen probably has, too."

Matt nodded.

"Well, I haven't, and I still think we can do this," Laurie said. She stared at the giant carved presidents in the distance and smiled.

After a friendly smile at her that made Fen want to snarl protectively, Matt said, "Let's go find our clue."

Fen shook his head. They'd barely survived a fight with the Raiders, and he didn't expect a tornado to pop up and save them the next time. He knew the Raiders, knew how well patrolled their camps were, knew that the way Hattie and Skull were about the shield meant that it would be well guarded. He couldn't tell Laurie and Matt any of that without admitting how well he knew the Raiders, and he wasn't willing to do that. He'd figure out a way around the shield problem later, but for now, he kept his mouth shut and followed Laurie and Matt through the visitors' entrance to Mount Rushmore.

They walked past the tall gray columns. On one side was a wall with names carved on it, and on the other was a statue of the guy who was behind creating the monument.

There were more stone columns, with state flags on top of them, and at the end was a big open space where people stood staring at the presidents' faces. Fen wasn't really much into school stuff, but they'd come here on a field trip, and he'd been impressed by the idea of making such an enormous sculpture. These were the sort of giant carvings that meant explosions and giant power tools were needed. Far cooler than sitting there with a tiny blob of clay, trying to make a sculpture, which is what they'd had to do in art class. He smiled at the idea of getting to use explosives in art class. That would be cool.

The three of them stood there with the people, all staring up at Washington, Jefferson, Teddy Roosevelt, and Lincoln. He felt like one of them should have a camera so they'd blend in, but no one was staring at them like they were doing anything wrong. And they weren't... yet.

They had to wait for a while until they were able to get closer to the faces-where the Valkyrie had said the clue was-so they killed time until the park closed, watching the movie in the visitors' center two times, and then buying something to eat using money that they'd all brought. No one asked where he'd gotten his, and he didn't tell them he'd taken it from Kris' stash. Laurie had hers and some jewelry she said they could sell if they needed to. Matt had used a cash machine to add to the money he still had from his dad.

"We'll hide and wait," Matt said.

They crept into the woods and settled in for a few hours. This part of their quest was far from exciting. Fen was a lot more at ease fighting Raiders than sitting in silence. He wasn't great at staying still in general, but from the looks of it, neither was Matt. He fidgeted almost as much as Laurie and Fen did. They exchanged an almost-friendly nod.

Eventually, the statues were lit up, and then people started leaving. But the guard didn't leave. So they kept waiting.

Unfortunately, the waiting part was a lot harder than the hiding. They had a number of places to hide over in the wooded area, but that guard not only watched the visitors' area but also the monument itself. Plus, there were cameras aimed at the monument and around the area.

Earlier that day he had overheard someone talking about some sort of environmental protest a few years ago that had resulted in new security. Fen was all for taking care of the environment, especially since he was a wolf part of the time, but he wished they'd staged their protest elsewhere because the extra security meant getting close to the presidents' faces was seeming pretty impossible. There was no way they were going to be able to climb up there with a guard watching and who knows how many more scanning the security feed from wherever the cameras sent their signal.

A couple of hours passed, and they were no closer to progress than when they'd arrived. The guard stayed alert, and the cameras weren't going to vanish. It was ridiculous.

"I could get up there," Fen said in a low voice.

Matt shot Fen a warning glare.

"No one's going to stop a wolf." He turned to his cousin. "I wish you could change, too."

Then he turned his back on them and became a wolf.

It would be so much better if she was a wolf, too. He'd hoped in a weird sort of girly way that if she changed, too, Uncle Stig would take them with him. Then they could all three live together like a normal family. Laurie wasn't happy with her mom and brother, and Fen wasn't happy moving from house to house, and Uncle Stig surely wasn't happy alone. Laurie hadn't turned into a wolf, though, and he didn't know if she would. He felt sad, which made him want to howl.

She was already crouched down, so they were face-to-face. "Be careful," she whispered. "Don't do anything too stupid."

He butted his head against her shoulder, and then he was off. He walked right up to the guard, who looked at him with the sort of respect that he saw more often from the American Indians in South Dakota. Ranchers weren't usually keen on wolves, but the Sioux were more likely to respect nature-which included wolves.

The guard watched him warily, and then looked around as if he were seeking shelter. Fen didn't like that he had frightened him, so he smiled, which he always forgot never looked very friendly when he was a wolf, and the guard took a step backward. Fen felt a little guilty about scaring the guard, but he had no intention of hurting the man. He kept the man's attention, hoping that Matt and Laurie were moving farther into cover.

Then he leaped over a low wall and started toward the monument. He knew the guard was watching him. The weight of the man's attention felt good, almost as good as stretching his muscles after hours of sitting and doing nothing. He grinned. Getting close enough to see whatever clue was on the presidents' faces was going to be easy.

He left the tourist section of the monument-and the guard-well behind him as he made his way up closer to the mountain, enjoying the feel of the ground under his paws, and was almost there when movement caught his eye. He stopped and looked. Rocks were raining down from the faces.

He waited, torn between natural caution and rushing forward to look for the clue before an earthquake or avalanche hid it even more. Several more rocks fell. Then, it looked like a giant part of the rock face was about to come crashing down. He was glad the guard was well out of range, but when he looked back, he couldn't see where Laurie was.

Whether it was an earthquake or avalanche, he didn't know. What he did know was that if there was a disaster of any sort starting, he needed to be with Laurie to keep her safe. He turned his back to the mountain and started to race back toward Laurie. He could hear a rumble behind him as he picked up speed.

TWELVE.

MATT.

"TROLL CONDO"

When Thomas Jefferson's nose dropped off, Matt's first thought was: avalanche. He'd never actually experienced one, but he'd seen plenty in movies, and if pieces start falling off the faces at Mount Rushmore, that'd be the only natural and logical explanation. Then, when George Washington's nose dropped, he thought It's an earthquake, immediately followed by It's Ragnarok. More natural disasters. More signs-as if he needed them after being visited by Norns and Valkyries-that the world was indeed sliding into Fimbulwinter.

His first reaction, he was ashamed to admit, was to look around and see who was handling this. Who was in charge. Who'd tell them to get to safety. Then he realized that was him.

He was turning to warn Fen and Laurie when Teddy Roosevelt's mustache got up and stretched. There was a second where Matt just stared, sure he was seeing wrong. The gray lump on the lip of the twenty-sixth president of the United States could not be stretching. It must be rolling or something, breaking loose.

Except it wasn't. It was stretching. And Abraham Lincoln's beard was dangling from what looked like thick gray arms. Then it started going up and down, like it was doing chin-ups. Using Lincoln's chin.

They'd gotten as close as they could, but the faces were still so far away you'd need binoculars to really see them. Those lumps were definitely moving, though, and the more they moved, the less they looked like hunks of stone. The one that had been Roosevelt's mustache now crouched on the president's lip, long, apelike gray arms dangling. Then the arms swung, and it leaped down to the rocks below.

"Trolls," Matt whispered.

"Right," Fen said. "Mount Rushmore is really a giant troll condo. Makes perfect sense."

Laurie looked at Matt. "The trolls must have the answer. That's what the Valkyrie meant, don't you think?"

"They didn't say the answers were written on the faces. Just that the answers were on the faces." Matt looked at the squat stone figure lumbering over the piles of broken rock, and he realized what he had to do.

"We need to get ourselves a troll," he said.

As they picked their way across the forested mountainside, Matt kept waiting for Fen or Laurie to argue. He'd just told them he planned to capture and question a troll. Fen should say it was a dumb idea, or Laurie should say it was too dangerous. At the very least, Fen should say Go for it, Thorsen, and walk away. But there he was, right beside Matt, peering through the dark forest, head tilting to listen, nostrils flaring to... to sniff the air? Could Fen smell things, like a wolf? Matt thought of asking but figured it was safer to keep his mouth shut. Just because they weren't trying to hit each other anymore didn't make them friends.

Laurie was right there, too, on Fen's other side, looking and listening. The night forest was a scary thing at any time-hooting owls and creaking branches and patches of darkness so complete you had to walk with your hands out, feeling your way. Add trolls, and his own heart pounded in time with his footsteps. He was sure Laurie had to be terrified. She didn't look afraid, though. Just cautious, like them. Maybe she didn't really believe there were trolls. Maybe she was humoring him-maybe they both were. Playing along, waiting to laugh at him when his trolls turned out to be piles of rock.