Sheila Dignen

Oxford Collocations Dictionary for Students of English

By Diana Lea, Jonathan Crowther, Sheila Dignen

OXFORD CHILDRENS DICTIONARY

By Sheila Dignen

Pre inermdiate outcomes

By Sheila Dignen, Guy DeVilliers

Oxford Junior Illustrated Dictionary: 2007

By Sheila Dignen

Get Involved! B1 Workbook and Digital Workbook

By Sheila Dignen, Philip Wood