Schist! How did it get so late?” Jaya laughed. “Schist?” she said. “Is that another of your family expressions?” I nodded. “It was on our science vocabulary list last year. It’s a kind of rock. It’s what happens to hot sandstone when it gets squished really hard for a few million years.” “I know,” said Jaya. “But I’ve never heard anybody use it as a curse before. It sounds really bad—in a good way.” “Yeah, it’s one of my favorites. Even strict teachers can’t object to a word from a vocabulary list, right?
