It is," I said. "And it's not even difficult. But I need your promise on the River Styx." "What?" Dionysus cried. "You don't trust us?" "Someone once told me," I said, looking at Hades, "you should always get a solemn oath." Hades shrugged. "Guilty.

The Ancient Egyptians were not fools, Carter. They built the pyramids. They created the first great nation state. Their civilization lasted thousands of years.” “Yeah,” I said. “And now they’re gone.

So you can't live in Manhattan?' she asked. Amos's brow furrowed as he looked across at the Empire State Building. 'Manhattan has other problems. Other gods. It's best we stay separate.

I've always found the second book in a series is the hardest to write.

Percy: Don't I get a kiss for luck? It's kind of a tradition, right? Annabeth: Come back alive, Seaweed Brain. Then we'll see.

My brother broke into a toothy grin. "Yay! Your brain works!

I try to craft books that are fun, that are sort of subversively educational so kids learn but they don't really feel like they're being lectured to, and I want kids to always finish one of my books and think, "That was great, where's the next one?"