Lesson21 The Arab and the Camel 1
Lesson22 A Red Bandit in the Midst of White Troops 15
Lesson23 A Red Bandit in the Midst of White Troops （continued） 29
Lesson24 Working in Britain 43
Lesson25 Street Gang 57
Lesson26 The Emperor s New Clothes 72
Lesson27 The Emperor s New Clothes （continued） 88
Lesson28 How Coal Was Formed 105
Lesson29 Water, Steam and Ice 120
Lesson30 The Story of My Life 136
Lesson31 The Trojan Horse 150
Lesson32 The Trojan Horse （continued） 164
Lesson33 Simple Habits, Deep Thoughts 179
Lesson34 Simple Habits, Deep Thoughts （continued） 192
Lesson35 Face to Face with Danger 207
Lesson36 Face to Face with Danger （continued） 224
Lesson37 The First Men on the Moon 239
Lesson38 The Battle at Trenton 255
Lesson39 The Battle at Trenton （continued） 270
Lesson40 The Importance of English 284
Vocabulary 298
A List of Irregular Verbs 323
Key to Exercises 329