15 books • 4 series
Cambridge IGCSE™ Chemistry Digital Teacher's Resource Access Card (Cambridge International IGCSE)
Pearson Edexcel International GCSE (9–1) Science Single Award Teacher Resource Pack (Edexcel International GCSE)
Pearson Edexcel International GCSE (9-1) Chemistry Teacher Resource Pack (Edexcel International GCSE)
Cambridge IGCSE (R) Chemistry Practical Teacher's Guide with CD-ROM (Cambridge International IGCSE)