In their free period, Ruby and Rex made straight for the library, where Rex again asked a librarian about the spare bathroom. He said the regular one was occupied and he couldn’t wait. “You’re going to have to go back into the school then, young man,” the librarian said. “Haven’t they told you? The entire area under the library has been declared part of the crime scene. Just this morning. The elevator is blocked. You aren’t allowed down there.” And that might have been that, except that Ruby did what she wished she’d done first thing in the morning. She asked for help. “I can get you into the computers, Ruby, but not down there,” whispered Sharon in the middle of the math lesson. “But”—she looked across the class—“I know who can.” At lunch, Simon Buscombe again joined the three of them, bringing his tray to their corner table in the cafeteria. He nodded, said nothing, and immediately bit into a bright orange hot dog with yellow mustard. “Can’t be anything like meat in them dogs; smells like hair spray.
