Unit One Is There Life on Earth? 1
Unit Two The dinner Party 16
Unit Three Lessons from Jefferson 29
Unit Four My First Job 46
Unit Five The Professor and the Yo-Yo 60
Unit Six The Making of a Surgeon 76
Unit Seven There' s Only luck 90
Unit Eight Honesty: Is it Going out of Style? 107
Unit Nine What Is Intelligence, Anyway? 127
Unit Ten Profits of Praise 144