| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Mental Math: Tricks To Become A Human Calculator | 978-93-5291-111-0 (93-5291-111-3) | 2019 | Ofpad The School of Genius |
| Mental Math: Tricks To Become A Human Calculator | 978-93-5288-974-7 (93-5288-974-6) | 2017 | Ofpad - The School of Genius |