The author of this book has experience in both consultancy work and teaching. The author's initial book 'Speed Mathematics Using the Vedic System' has a significant following and has been translated into Japanese and Chinese as well as German. In addition, his book 'Pass the QTS Numeracy test with ease' is very popular with teacher trainees. Besides being a specialist mathematics teacher the author also has a degree in psychology. This has enabled him to work as an organizational development consultant giving him exposure to psychometric testing particularly applicable to numerical reasoning.