Go global plus 1 Student’s book e Workbook. Level 1 Per la Scuola media Cambridge University Press Ben Goldstein e Ceri Jones with Vicki Anderson, Alastair Lane, Philip Wood Vivere Better learning ISBN 978-1108685641 Go global Plus 2 Student’s book e Workbook. Level 2 Per S media Cambridge University Press Ben Goldstein e Ceri Jones with Vicki Anderson, Clare Kennedy, Alun Philips Vivere Better learning ISBN 978-1108610476 Go global Plus 3 Student’s book e Workbook. Level 3 Per S media Cambridge University Press Ben Goldstein e Ceri Jones with Vicki Anderson, Liz Kilbey, Helen Weale ISBN 978-1108610483