Roger Norris

Gateway Science OCR Additional Science for GCSE Revision Guide Higher (OCR Gateway Science)

By Elaine Gill, Roger Norris, Carol Tear

Gateway Science OCR Additional Science for GCSE Revision Guide Foundation (OCR Gateway Science)

By Elaine Gill, Roger Norris, Carol Tear, Bob McDuell

Gateway Science OCR Chemistry for GCSE Revision Guide (Gateway Science) (OCR Gateway Science)

By David Lees, Roger Norris, Bob McDuell

Cambridge International AS and A Level Chemistry Coursebook with CD-ROM (Cambridge International Examinations)

By Norris, Roger, Ryan, Lawrie, Acaster, David, Roger Norris, Lawrie Ryan

Cambridge IGCSE (R) & O Level Essential Chemistry: Student Book Third Edition

By Roger Norris

Essential Science for Cambridge Lower Secondary Stage 8 Workbook

By Kevin Lancaster, Ann Fullick, Richard Fosbery, Viv Newman, Roger Norris

Cambridge Complete Chemistry for IGCSE (R) & O Level: Workbook (Revised)

By Roger Norris

Essential Chemistry for Cambridge IGCSE (R): Second Edition

By Roger Norris, Lawrie Ryan