The Mark of Athena (The Heroes of Olympus, #3)

by Rick Riordan

He nodded indignantly at the guidebook in Jason’s hand. “You young folks today and your newfangled gadgets. Bound pages. Little compact squares of text that are not hoof-friendly. That’s a bound book, a b-book, if you must. But it’s not a traditional book. It’ll never replace the good old-fashioned scroll!”

But she was thankful for stupid male ghosts. If they’d let women warriors into their cult, they might have learned some common sense.

“Delaying death is one of my favorite hobbies.”

“I excel at pulling strings!” said Arachne. “I’m a spider!”