Map of the book Introduction IELTS test summary Unit 1 Growing up Unit 2 Mental and physical development Unit 3 Keeping fit Unit 4 Lifestyles Unit S Student life Test One (Units 1-5) Unit 6 Effective communication Unit 7 On the move Unit 8 Through the ages Unit 9 The natural world Unit 10 Reaching for the skies Test Two (Units 6-10) Unit 11 Design and innovation Unit 12 Information technology Unit 13 The modern world Unit 14 Urbanisation Unit 15 The green revolution Test Three (Units 11-15) Unit 16 The energy crisis Unit 17 Talking business Unit 18 The law Unit 19 The media Unit 20 The arts Test Four (Units 16-20) Unit 21 Language building 1 Unit 22 Language building 2 Unit 23 Academic Writing Task 1 Unit 24 Academic Writing Task 2 Unit 25 General Training Writing Test Five (Units 21-25) Answer key Recording scripts Wordlist Acknowledgements