Read the excerpt from "Object Lesson, Part 1.""Hardly. They didn't know you were coming." They had betrayed her, the sick shock in her voice said. "Class, this is Ellery Queen. I don't have to tell you who Mr. Queen is, and how honored we are to have him visit us." There was a gasp, a buzz, a spatter of applause, "Mr. Queen was kind enough to come here today to give us a talk on crime. I didn't know he was going to walk in on one."