Lou Abercrombie worked in TV and film production and as a photographer, and a few years ago started writing children's books combining her passion for swimming and mathematics. Her debut novel FIG SWIMS THE WORLD, was longlisted for the Bath Children's Award, and her new book AMAZING MATHS makes the subject of mathematics accessible in a way that we wish was around when we were at school. Lou reveals how water solves her story problems and how she's helped by a waterproof notebook...