Sheila Dignen

Oxford Collocations Dictionary for Students of English

By Diana Lea, Jonathan Crowther, Sheila Dignen

Oxford Children's Colour Dictionary: For Homework Help

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

Achieve: Exam Companion

By Airton Pozo de Mattos, Sheila Dignen, Alastair Lane, Sonia Leites