"IELTS score: 4.0-6.0 (CEFR levels: B1-B2)"-- title page.
SiMPLY IELTS : 6 practice tests, 5 for the IELTS Academic & 1 for the IELTS General. Student's book by Andrew Betsis. ISBN 9781781642474. Published by Global ELT in 2015. Publication and catalogue information, links to buy online and reader comments.