books by author
Ron Pickering
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Cambridge Biology IGCSE® Revision Guide (Cambridge Igcse Revision Guides)
Science for Common Entrance: Chemistry Answers
Science for Common Entrance: Biology Answers
Science for Common Entrance: Physics Answers
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So You Really Want to Learn Science Book 1: A Textbook for Key Stage 2 and Common Entrance
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Complete Biology for Cambridge IGCSE (R): Third Edition
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