First in series. Michael Rosen and Dr Laura Wright explore the numbers one to ten and look at how we understand - and misunderstand - the language of numbers. Why is a shampoo called Zinc 24 so much more appealing than a shampoo called Zinc 31? How do we cope with offers in supermarkets? Alex Bellos and Michael Blastland explain. Producer Beth O'Dea Alex Bellos is the author of Alex Through the Looking-Glass: How Life Reflects Numbers and Numbers Reflect Life.