A headline says something doubled. An advert promises to cut your risk by half. A poll says most people agree. How do you know what to believe? This book teaches you to read everyday numbers with confidence, no maths background needed. Through simple worked examples built on invented data, you learn what different kinds of average really tell you, how percentages and percentage points differ, why a risk that rises by half may barely matter, how a test that is mostly right can still give mostly false alarms, and why two things moving together do not prove one causes the other. You finish with a practical checklist you can apply to any claim in under a minute.



Imad Muratspahic is an independent author of practical how-to guides, technical handbooks, history and fiction. The books aim to be clear, honest and useful from the first page.