IELTS masterclass: student's book
Haines, Simon
Cambridge English IELTS 13: general training with answers authentic examination papers.
Cambridge English IELTS 12 : general training with answers : authentic examination papers.
Cambridge English IELTS 11 : general training with answers:. authentic examination papers.
Complete IELTS bands 6.5 - 7.5: student's book with answers
Brook-hart, , Guy