David Baylis

Science foundation

2001

Science GCSE

2001

Biology (GCSE Higher Tier) (GCSE Grade A Secrets 2001)

2000

Biology (Higher Tier) (Grade A

Biology (Higher Tier) (Grade A Secrets)

1998

GCSE science dictionary

1998

GCSE Biology (GCSE Textbooks for Schools)

1997

GCSE science classbook

1997

GCSE science homework book

1997