Robert Johnson

Essentials of GCSE OCR Science for Specification B: GCSE OCR Science B (Gateway Science)

By Jacqui Punter, Robert Johnson, Steve Langfield

Revision plus OCR B (Gateway Science) Workbook (Lonsdale GCSE Revision Plus)

By Jacqui Punter, Robert Johnson, Steve Langfield

Revision Plus OCR Additional Science B(Gateway Science) Revision guide (OCR Science Revision): GCSE OCR Additional Science B (Gateway Science) (Lonsdale GCSE Revision Plus)

By Jacqui Punter, Robert Johnson, Steve Langfield

Revision Plus GCSE OCR Additional Science B Workbook: Gateway Science (Revision Plus OCR Additional Applied Science B (Lonsdale GCSE Revision Plus)

By Jaqui Punter, Robert Johnson, Steve Langfield

Lonsdale GCSE Essentials – OCR Gateway Additional Science: Workbook (2012 Exams Only)

By Lonsdale, Robert Johnson

Just the Essentials of Elementary Statistics

By Robert Johnson