... 978-0-521- 544 64- 1 Cassette SetISBN-10 0-521- 544 64- 5 Cassette SetISBN-13 978-0-521- 544 65-8 Audio CD SetISBN-10 0-521- 544 65-3 Audio CD SetISBN-13 978-0-521- 544 63 -4 Self-study PackISBN-10 0-521- 544 63-7 ... the University Press, Cambridge A catalogue record for this book is available from the British LibraryISBN-13 978-0-521- 544 62-7 Student’s Book with answersISBN-10 0-521- 544 62-9 Student’s Book ... by 43 %of children), South America (30%), Brazil (25%). Some children also gave moregeneral locations, such as being near the Equator. Cambridge IELTS 4 Examination papers fromUniversity of Cambridge ESOL...