Gray, Joanna Discovering English : a new pre-intermediate course / Joanna Gray - London : Cassell, 1982 - ix, 151 p. : ill. ; 25 cm. - Cassell's foundation English book 2 . Teacher's book by Susan Henderson and Joanna Gray Text on inside cover ISBN: 030430669X Subjects--Topical Terms: English language--Textbooks for foreigners