-Two years later-

"Daddy!" came the voice from upstairs. It was my daughter, Carrie. She had Annabeth's eyes and brown (yes, brown, Hades knows where she got that) curly hair. I remembered naming her.

"Percy, it's time that we named our soon-to-be-born daughter," nagged Annabeth. She was right, in a weird way; there were only a few months left.

"Our SON will be named Neptune," I said casually.

"We are not naming HER after your father! She will be Athena!"

"Like I'd name her after your crazy mother?"

"Good. She is a girl."

"That's not what I meant!"

"I seem to like the name Catherinefor some reason."

"I guess it's OK, but it's too formal. I like the name Carrie."

"Carrie for short?"

"OK. What about her middle name?"

"Catherine... Catherine Elizabeth Jackson? I like that."

"Long name, but OK."

"Good, it's settled."

"What if HE'S a boy?"

"Perseus junior."

"You're too kind."

"I know."

"Daddy!" the high voice interrupted my flashback.

"Coming, sweetie," I told her. I jogged up the stairs when she knocked into my leg.

Annabeth was still at her work as an architect. She'd wanted to be one her whole life, and now she was one. She was currently building the monument she'd wanted to construct at Ground Zero. After some negotiations, she got her wish. I was on my vacation from being a dentist. Yes, a dentist. I love it. Drilling people's teeth all day is more fun than you could ever imagine. I had a great professor, another half-blood, surprisingly. One of Apollo's kids. He had gone to Camp Half-Blood with me, so he understood my position. Weird.

"Is that what you wanted?" I said, trying to keep a straight face.

"Yeah. And can you teach me how to multiply polynomials? Algebra is too boring."

I sighed to myself. Just like Annabeth, I thought. My two year old is bored with algebra. Go figure.

The phone saved me by ringing. I rushed into my bathroom to find it. I knew I had left it there somewhere. I finally found it.

"Hello?" I asked into the reciever.

"Hey, man!" shouted a voice that I knew was my best friend Grover's. He just happened to be half goat.

"How's it going?" I asked him. He was on a vacation with his fiancee Juniper, a tree nymph.

"Awesome! I ran into Nico when we visited Hades."

"You what?"

"Just a friendly visit. We were invited for dinner."

"By who?"

"Nico."

"What on Earth did you have for dinner?"

"My favorite!"

"You bet!"

"Umm...great?"

"Just checking to see how you're doing. And Hades mentioned something about you going to Olympus the day after tomorrow."

"Whaa?"

"Just go there. I have a feeling that if you don't, there will be consequences."

"Whatever."

"See you then!" Click.

"Wait! Why will I see you?" I was too late, however, because Grover had already hung up. Like always.

"How about Mommy teaches you new math? She'll be home soon."

"I want to learn it now." A tear slid down her cheek.

"She'll be home any minute."

That cheered her up.

"PERCY!" Annabeth yelled from downstairs. I guess she had just gotten home.

"Be right there!"

I ran down the stairs to find her standing there like she'd been waiting all day.

"So, we're being summoned to Olympus," she said.

"Um... yeah... about that... Grover kind of called me and told me."

"Who? What? When? Where? Why? How?"

"I said Grover called. He told us to come to Olympus in two days. He called ten minutes ago. He was visiting Hades." I had started to get used to answering her fifty million questions like that.

"Why on Earth was he visiting Hades?"

"Nico invited him and Juniper to dinner."

"Apparently."

"Oo-kay. Do you know why we have to go?"

"Does it look like I do?"

"Not necessarily."

"Oh yeah. Carrie wants you to teach her how to multiply polynomials."

"Why didn't you?"

"I don't know how!"

"Jeez, Percy. Sometimes you are as smart as a melon."

"Are melons smart?"

"This is what I'm talking about!"

"If you want to know why we have to go, why don't you Iris-message your mom?"

"Why don't you?"

"She hates my guts!"

"True. Now go away."

"Why?"

"I'm Iris-messaging my mom, and unless you want a massive headache again..."

"No thank you!" I sprinted down the hall of my spacious house and bumped into a completely unexpected visitor, Tyson.

"Hey, Tyson!" I told my giant cyclops of a brother.

"Percy! Nice to see you!"

"How's it going?"

"I made you this." As Tyson held out his hand, I saw what was in it: a shield with a wave design on it.

"Thanks, Tyson!" I tried to sound thankful, and I really was, but I had no clue why he had given it to me.

"Since the old shield I made you broke and dented so easily, I convinced Hephaestus to put magic on this one so that it can't."

"Thanks, man!" I had no clue why waves were on it, but I would soon find out.