Blackwell, Angela English knowhow. Student book 1 / English knowhow student book 1 English knowhow student book one Angela Blackwell, Therese Naber ; with Gregory J. Martin - New York Oxford University Press, c2003 - v, 138 p. : col. ill., col. map ; 28 cm. ISBN: 0194536734 (pbk.) Subjects--Topical Terms: English language--Textbooks for foreign speakers