This book aims to demystify numbers and make mathematics accessible to everyone. Rachel Riley, a mathematician and television presenter, guides readers through the often-intimidating world of numbers, breaking down complex concepts into understandable components. The book focuses on practical applications and everyday relevance, seeking to build confidence and competence in mathematical thinking for those who may have struggled with the subject in the past.

The book is positioned as an accessible guide for individuals seeking to improve their understanding of mathematics. Its approach, helmed by a known public figure in mathematics, suggests an aim to make the subject approachable and less daunting for a general audience. The focus on practical application and overcoming math anxiety indicates a self-help orientation, targeting readers who may feel intimidated by numbers.