Map of the book      2

Introduction      4

IELTS Test summary      6

Unit 1   Human nature      8

Unit 2   Time for a change      12

Unit 3   No man is an island      18

Unit 4   Scientific discovery      22

Unit 5   Striving to achieve      28

Test one (Units 1-5)      32

Unit 6   Powers of persuasion      34

Unit 7   Ways and means      40

Unit 8   State control      44

Unit 9   Natural history      48

Unit 10  Rocket science      54

Test two (Units 6-10)      58

Unit 11  Progress      60

Unit 12  The latest thing      66

Unit 13  Urban jungle      72

Unit 14  Tackling issues      76

Unit 15  This Earth      80

Test three (Units 11-15)      84

Unit 16  Energy efficient      86

Unit 17  Getting down to business      90

Unit 18  Law enforcement      96

Unit 19  The media      100

Unit 20  A matter of taste      104

Test four (Units 16-20)     110

Unit 21  Learning vocabulary      112

Unit 22  IELTS Reading      116

Unit 23  IELTS Writing      120

Unit 24  IELTS Listening      124

Unit 25  IELTS Speaking      128

Test five (Units 21-25)     132

Answer key      134

Recording scripts      158

Translation      169

Wordlist      190

Acknowledgements      195