Steve Fearnley & June Haighton 
Oxford International AQA Examinations: International GCSE Mathematics Core [PDF ebook] 

The only textbook that offers complete coverage of the Oxford AQA International GCSE Mathematics Core Level specification (9260), for first teaching in September 2016. Written by experienced authors, the clear, international approach ensures strong mathematical understanding and provides exam-focused practice to build assessment confidence. This textbook helps students to develop the key mathematical, reasoning and problem solving skills needed for the Oxford AQA International GCSE Mathematics Core Level exam, with extensive opportunities for practice and model answers.