She led the way. Eyeless sockets of the dead seemed to stare at them as they passed.
"These are cool," Dan decided. "Maybe I could-"
"No, Dan," Amy said. "You can't collect human bones."
"Awww.

Purple light passed over the paper, but nothing happened.
"Next!" Amy said. She was sure the man in black was going to burst in on them any second.
"Whoa!" Dan said.
Amy gripped his arm. "You found it?"
"No, but look! This whole essay - 'To the Royal Academy.' He wrote a whole essay on farts!" Dan grinned with delight. "He's proposing a scientific study on different fart smells. You're right, Amy. This guy was a genius!

I've got a few ideas," (Amy) admitted. "But I don't know where we're going in the long term. I mean - have you ever thought about what this ultimate treasure could be?"
"Something cool." (Dan)
"Oh, that's real helpful. I mean, what could make somebody the most powerful Cahill in history? And why thirty-nine clues?"
Dan shrugged. "Thirty-nine is a sweet number. It's thirteen times three. It's also the sum of five prime numbers in a row - 3,5,7,11,13. And if you add the first three powers of three, 3 to the first, 3 to the second, and s to the third, you get thirty-nine."
Amy stared at him. "How did you know that?"
"What do you mean? It's obvious.

A Styrofoam egg carton caught his eye. He opened it and found a single silver orb with little blinking red lights. "This is cool, too!" He dropped it into his backpack.
"Dan, no!"
"What? They've got plenty of other stuff, and we need all the help we can get!"
"It could be dangerous."
"I hope so.

Amy, Dan, and Nellie were sitting at a table in a conference room, examining reproductions of Franklin documents-some so rare, the librarians told her, the only copies existed in Paris.
"Yeah, here's a rare grocery list," Dan muttered. "Wow.

Caught in a bad romance. Whoaaa-oh-ooooh!"
Nellie wailed along to the XM radio blaring from the enormous speakers.

"Can I uncover my ears now?" Dan called from the back, where he was reclined across the leather seat. "Has Nellie stopped her Lady Gag Me impression?