Books by Elfed Charles

Peter Blake is a former lecturer and senior lecturer in Chemistry at St Andrews and Cardiff Universities. He has been an examiner for A Level Chemistry for twenty five years, during which time he has been involved in both specification revision and the authoring of study materials. // Elfed Charles has thirty years of experience teaching in secondary schools, has experience of senior management and is a Principal Examiner in Chemistry at A Level for a major awarding body. // Kathryn Foster is a former Head of Science at a Sixth Form College. She has many years of experience teaching Chemistry A Level and is a Principal Examiner for Chemistry with a major awarding body.