S. W. · Sander Woertman · Sándor Wortmann · Sandra Warden
| title | ISBN-13 | year of publication |
|---|---|---|
| GCSE Maths AQA Foundation Reasoning and Problem Solving Skills Book | 978-0-00-811386-5 | 2015 |
| GCSE Maths AQA Higher Reasoning and Problem Solving Skills Book | 978-0-00-811385-8 | 2015 |
| GCSE Maths Edexcel Foundation Reasoning and Problem Solving Skills Book | 978-0-00-811390-2 | 2015 |
| GCSE Maths Edexcel Higher Reasoning and Problem Solving Skills Book | 978-0-00-811389-6 | 2015 |