Collins Cambridge IGCSE® Maths Student Book - Third Edition provides in-depth coverage of every aspect of the latest Cambridge IGCSE® and IGCSE® (9-1) Mathematics (0580/0626) syllabus, for examination from 2020 onwards. The resource covers the Core and Extended curriculum. Collins Cambridge IGCSE Chemistry Revision Guide provides clear and accessible revision content to support all students. With focused revision for every topic, plus four separate practice opportunities, use this revision guide to build your confidence and help you prepare for your Cambridge IGCSE Chemistry assessments. Covering the Cambridge IGCSE and IGCSE (9-1) Chemistry syllabuses (0620/0971), for examination from 2023, this revision guide includes: * clear and concise syllabus coverage, with the Supplementary material clearly differentiated * topics in short, user-friendly sections to help you plan your revision in manageable chunks * worked examples and guidance on structuring your answers * support for key subject vocabulary (including a glossary) and exam command words * quick tests and exam-style practice questions for every topic, so you can check your progress and develop your exam skills * a complete set of exam-style practice papers to help you prepare for assessment * a free ebook version, so you can revise from anywhere.