Nicola Davies is a zoologist and writer. She has written many children's books on natural history topics such as the human body, whales, oceans, bats, and flowers. She is an award-winning author, whose many books for children include The Promise, King of the Sky, A First Book of Animals, Tiny: The Invisible World of Microbes, and the Heroes of the Wild series. She makes regular visits to schools and festivals, and is very active on social media - she lives in Crickhowell, Wales.