Robin Longshaw, Laurie Blass
National Geographic Learning, Cengage Learning
c2015-
1 : student book , 1 : teacher guide , 1 : audio CD/DVD package , 2 : student book , 2 : teacher guide , 2 : audio CD/DVD package , 3 : student book , 3 : teacher guide , 3 : audio CD/DVD package , 4 : student book , 4 : teacher guide , 4 : audio CD/DVD package , 1-2 : assessment CD-ROM with ExamView , 3-4 : assessment CD-ROM with ExamView
Available at 70 libraries