The desert's blazing heat had given way to an equally cold night, but Ramirez and I hadn't let up on the Wardens-in-training yet.

They were heartbreakingly young, just a bunch of kids. The youngest of them, Julie something, was currently sparring. She was fourteen, but with her long bangs and big glasses she looked even younger.

"Accio rock!" she called, and held out her hand. A stone shot toward her palm, but her opponent was in the way; it knocked him face-down on the sand.

Great. Now the kids were using spells from Harry Potter. "I feel old," I muttered.