nHelen Scales, PhD, is a marine biologist, writer, and broadcaster. She is the author of many books about the ocean including The Brilliant Abyss and Spirals in Time, and the childrens books What a Shell Can Tell and Scientists in the Wild. She writes for National Geographic Magazine, the Guardian, and New Scientist, among others. She teaches at Cambridge University, is a storytelling ambassador for the Save Our Seas Foundation, and science advisor for the marine conservation charity Sea Changers. Helen divides her time between Cambridge, England, and the wild Atlantic coast of France.n