"Yeah. I just ..." She had to control herself. With trembling fingers, she picked up the dagger. "I just got overwhelmed. So much happening today. But ... I want to keep the dagger, if that's okay."

Annabeth hesitated. Then she waved off the Apollo kids. "Okay, if you're sure. You turned really pale, there. I thought you were having a seizure or something."

"I'm fine," Piper promised, though her heart was still racing. "Is there ... um, a phone at camp? Can I call my dad?"

Annabeth's gray eyes were almost as unnerving as the dagger blade. She seemed to be calculating a million possibilities, trying to read Piper's thoughts.

"We aren't allowed phones," she said. "Most demiG.o.ds, if they use a cell phone, it's like sending up a signal, letting monsters know where you are. But ... I've got one." She slipped it out of her pocket. "Kind of against the rules, but if it can be our secret ..."

Piper took it gratefully, trying not to let her hands shake. She stepped away from Annabeth and turned to face the commons area.

She called her dad's private line, even though she knew what would happen. Voice mail. She'd been trying for three days, ever since the dream. Wilderness School only allowed phone privileges once a day, but she'd called every evening, and gotten nowhere.

Reluctantly she dialed the other number. Her dad's personal a.s.sistant answered immediately. "Mr. McLean's office."

"Jane," Piper said, gritting her teeth. "Where's my dad?"

Jane was silent for a moment, probably wondering if she could get away with hanging up. "Piper, I thought you weren't supposed to call from school."

"Maybe I'm not at school," Piper said. "Maybe I ran away to live among the woodland creatures."

"Mmm." Jane didn't sound concerned. "Well, I'll tell him you called."

"Where is he?"

"Out."

"You don't know, do you?" Piper lowered her voice, hoping Annabeth was too nice to eavesdrop. "When are you going to call the police, Jane? He could be in trouble."

"Piper, we are not going to turn this into a media circus. I'm sure he's fine. He does take off occasionally. He always comes back."

"So it's true. You don't know-"

"I have to go, Piper," Jane snapped. "Enjoy school."

The line went dead. Piper cursed. She walked back to Annabeth and handed her the phone.

"No luck?" Annabeth asked.

Piper didn't answer. She didn't trust herself not to start crying again.

Annabeth glanced at the phone display and hesitated. "Your last name is McLean? Sorry, it's not my business. But that sounds really familiar."

"Common name."

"Yeah, I guess. What does your dad do?"

"He's got a degree in the arts," Piper said automatically. "He's a Cherokee artist."

Her standard response. Not a lie, just not the whole truth. Most people, when they heard that, figured her dad sold Indian souvenirs at a roadside stand on a reservation. Sitting Bull bobble-heads, wampum necklaces, Big Chief tablets-that kind of thing.

"Oh." Annabeth didn't look convinced, but she put the phone away. "You feeling okay? Want to keep going?"

Piper fastened her new dagger to her belt and promised herself that later, when she was alone, she'd figure out how it worked. "Sure," she said. "I want to see everything."

All the cabins were cool, but none of them struck Piper as hers. No burning signs-wombats or otherwise-appeared over her head.

Cabin Eight was entirely silver and glowed like moonlight.

"Artemis?" Piper guessed.

"You know Greek mythology," Annabeth said.

"I did some reading when my dad was working on a project last year."

"I thought he did Cherokee art."

Piper bit back a curse. "Oh, right. But-you know, he does other stuff too."

Piper thought she'd blown it: McLean, Greek mythology. Thankfully, Annabeth didn't seem to make the connection.

"Anyway," Annabeth continued, "Artemis is G.o.ddess of the moon, G.o.ddess of hunting. But no campers. Artemis was an eternal maiden, so she doesn't have any kids."

"Oh." That kind of b.u.mmed Piper out. She'd always liked the stories of Artemis, and figured she would make a cool mom.

"Well, there are the Hunters of Artemis," Annabeth amended. "They visit sometimes. They're not the children of Artemis, but they're her handmaidens-this band of immortal teenage girls who adventure together and hunt monsters and stuff."

Piper perked up. "That sounds cool. They get to be immortal?"

"Unless they die in combat, or break their vows. Did I mention they have to swear off boys? No dating-ever. For eternity."

"Oh," Piper said. "Never mind."

Annabeth laughed. For a moment she looked almost happy, and Piper thought she'd be a cool friend to hang out with in better times.

Forget it, Piper reminded herself. You're not going to make any friends here. Not once they find out.

They pa.s.sed the next cabin, Number Ten, which was decorated like a Barbie house with lace curtains, a pink door, and potted carnations in the windows. They walked by the doorway, and the smell of perfume almost made Piper gag.

"Gah, is that where supermodels go to die?"

Annabeth smirked. "Aphrodite's cabin. G.o.ddess of love. Drew is the head counselor."

"Figures," Piper grumbled.

"They're not all bad," Annabeth said. "The last head counselor we had was great."

"What happened to her?"

Annabeth's expression darkened. "We should keep moving."

They looked at the other cabins, but Piper just got more depressed. She wondered if she could be the daughter of Demeter, the farming G.o.ddess. Then again, Piper killed every plant she ever touched. Athena was cool. Or maybe Hecate, the magic G.o.ddess. But it didn't really matter. Even here, where everyone was supposed to find a lost parent, she knew she would still end up the unwanted kid. She was not looking forward to the campfire tonight.

"We started with the twelve Olympian G.o.ds," Annabeth explained. "Male G.o.ds on the left, female on the right. Then last year, we added a whole bunch of new cabins for the other G.o.ds who didn't have thrones on Olympus-Hecate, Hades, Iris-"

"What are the two big ones on the end?" Piper asked.

Annabeth frowned. "Zeus and Hera. King and queen of the G.o.ds."

Piper headed that way, and Annabeth followed, though she didn't act very excited. The Zeus cabin reminded Piper of a bank. It was white marble with big columns out front and polished bronze doors emblazoned with lightning bolts.

Hera's cabin was smaller but done in the same style, except the doors were carved with peac.o.c.k feather designs, shimmering in different colors.

Unlike the other cabins, which were all noisy and open and full of activity, the Zeus and Hera cabins looked closed and silent.

"Are they empty?" Piper asked.

Annabeth nodded. "Zeus went a long time without having any children. Well, mostly. Zeus, Poseidon, and Hades, the eldest brothers among the G.o.ds-they're called the Big Three. Their kids are really powerful, really dangerous. For the last seventy years or so, they tried to avoid having demiG.o.d children."

"Tried to avoid it?"

"Sometimes they ... um, cheated. I've got a friend, Thalia Grace, who's the daughter of Zeus. But she gave up camp life and became a Hunter of Artemis. My boyfriend, Percy, he's a son of Poseidon. And there's a kid who shows up sometimes, Nico-son of Hades. Except for them, there are no demiG.o.d children of the Big Three G.o.ds. At least, not that we know of."

"And Hera?" Piper looked at the peac.o.c.k-decorated doors. The cabin bothered her, though she wasn't sure why.

"G.o.ddess of marriage." Annabeth's tone was carefully controlled, like she was trying to avoid cursing. "She doesn't have kids with anyone but Zeus. So, yeah, no demiG.o.ds. The cabin's just honorary."

"You don't like her," Piper noticed.

"We have a long history," Annabeth admitted. "I thought we'd made peace, but when Percy disappeared ... I got this weird dream vision from her."

"Telling you to come get us," Piper said. "But you thought Percy would be there."

"It's probably better I don't talk about it," Annabeth said. "I've got nothing good to say about Hera right now."

Piper looked down the base of the doors. "So who goes in here?"

"No one. The cabin is just honorary, like I said. No one goes in."

"Someone does." Piper pointed at a footprint on the dusty threshold. On instinct, she pushed the doors and they swung open easily.

Annabeth stepped back. "Um, Piper, I don't think we should-"

"We're supposed to do dangerous stuff, right?" And Piper walked inside.

Hera's cabin was not someplace Piper would want to live. It was as cold as a freezer, with a circle of white columns around a central statue of the G.o.ddess, ten feet tall, seated on a throne in flowing golden robes. Piper had always thought of Greek statues as white with blank eyes, but this one was brightly painted so it looked almost human-except huge. Hera's piercing eyes seemed to follow Piper.

At the G.o.ddess's feet, a fire burned in a bronze brazier. Piper wondered who tended it if the cabin was always empty. A stone hawk sat on Hera's shoulder, and in her hand was a staff topped with a lotus flower. The G.o.ddess's hair was done in black plaits. Her face smiled, but the eyes were cold and calculating, as if she were saying: Mother knows best. Now don't cross me or I will have to step on you.

There was nothing else in the cabin-no beds, no furniture, no bathroom, no windows, nothing that anyone could actually use to live. For a G.o.ddess of home and marriage, Hera's place reminded Piper of a tomb.

No, this wasn't her mom. At least Piper was sure of that. She hadn't come in here because she felt a good connection, but because her sense of dread was stronger here. Her dream-that horrible ultimatum she'd been handed-had something to do with this cabin.

She froze. They weren't alone. Behind the statue, at a little altar in the back, stood a figure covered in a black shawl. Only her hands were visible, palms up. She seemed to be chanting something like a spell or a prayer.

Annabeth gasped. "Rachel?"

The other girl turned. She dropped her shawl, revealing a mane of curly red hair and a freckled face that didn't go with the seriousness of the cabin or the black shawl at all. She looked about seventeen, a totally normal teen in a green blouse and tattered jeans covered with marker doodles. Despite the cold floor, she was barefoot.

"Hey!" She ran to give Annabeth a hug. "I'm so sorry! I came as fast as I could."

They talked for a few minutes about Annabeth's boyfriend and how there was no news, et cetera, until finally Annabeth remembered Piper, who was standing there feeling uncomfortable.

"I'm being rude," Annabeth apologized. "Rachel, this is Piper, one of the half-bloods we rescued today. Piper, this is Rachel Elizabeth Dare, our oracle."

"The friend who lives in the cave," Piper guessed.

Rachel grinned. "That's me."

"So you're an oracle?" Piper asked. "You can tell the future?"

"More like the future mugs me from time to time," Rachel said. "I speak prophecies. The oracle's spirit kind of hijacks me every once in a while and speaks important stuff that doesn't make any sense to anybody. But yeah, the prophecies tell the future."

"Oh." Piper shifted from foot to foot. "That's cool."

Rachel laughed. "Don't worry. Everybody finds it a little creepy. Even me. But usually I'm harmless."

"You're a demiG.o.d?"

"Nope," Rachel said. "Just mortal."

"Then what are you ..." Piper waved her hand around the room.

Rachel's smile faded. She glanced at Annabeth, then back at Piper. "Just a hunch. Something about this cabin and Percy's disappearance. They're connected somehow. I've learned to follow my hunches, especially the last month, since the G.o.ds went silent."

"Went silent?" Piper asked.

Rachel frowned at Annabeth. "You haven't told her yet?"

"I was getting to that," Annabeth said. "Piper, for the last month ... well, it's normal for the G.o.ds not to talk to their children very much, but usually we can count on some messages now and then. Some of us can even visit Olympus. I spent practically all semester at the Empire State Building."

"Excuse me?"

"The entrance to Mount Olympus these days."

"Oh," Piper said. "Sure, why not?"

"Annabeth was redesigning Olympus after it was damaged in the t.i.tan War," Rachel explained. "She's an amazing architect. You should see the salad bar-"