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