Book Three 1
Unit One A Brush with the Law 1
Unit Two The Woman Who Would Not Tell 21
Unit Three Why I Teach 35
Unit Four Lady Hermits Who Are Down But Not Out 49
Unit Five The Day Mother Cried 65
Unit Six A Day's Wait 80
Unit Seven The Shelter 97
Unit Eight Daydreaming a Little 115
Unit Nine The Death of Hitler 128
Unit Ten The Fantastic Spurt in Technology 142
Book Four 157
Unit One Big Bucks the Easy Way 157
Unit Two Deer and the Energy Cycle 171
Unit Three Why Do We Believe That the Earth Is Round 185
Unit Four Jim Thorpe 203
Unit Five To Lie or Not to Lie——the Doctor's Dilemma 218
Unit Six How to Mark a Book 234
Unit Seven The Luncheon 248
Unit Eight The New Caves 262
Unit Nine Journey West 280
Unit Ten Why People Work 291
Appendix：Key To Exercises 310