Frank sat on the edge of the mattress, as if preparing for a quick escape. Annabeth took the Chinese handcuffs and held them next to her computer.
She hit the key for an infrared scan. A few seconds later a 3-D model of the Chinese handcuffs appeared on the screen. She turned the laptop so that Frank could see.
“How did you do that?” he marveled.
“Cutting-edge Ancient Greek technology,” she said.

The Mark of Athena, Chapter XVII