Read the excerpt from "Object Lesson, Part 2.""But this morning's little job," Ellery turned suddenly to the red-haired boy, "you pulled by yourself, Joey."The thin boy quivered. "Who, me?""Yes, Joey, you.""You got rocks in your skull," Joey whispered. "Not me!""I'll prove it, Joey. Hand me the dollar bill I found in your jeans when I searched you."