Unit1 Big Bucks the Easy Way 1
Unit2 Dear and the Energy Cycle 18
Unit3 Why Do We Believe That the Earth Is Round? 36
Unit4 Jim Thorpe 53
Unit5 To Lie or Not to Lie--The Doctor s Dilemma 67
Unit6 How to Mark a Book? 82
Unit7 The Luncheon 99
Unit8 The New Caves 116
Unit9 Journey West 132
Unit10 Why People Work 148