Stephen Aitken is passionate about the diversity of life (wild and human), the conservation of animals and plants, and living his life in harmony with our planet. He is a biologist from Ottawa who writes and illustrates picture books, eco-fiction and environmental non-fiction for middle-grade readers. His latest books are Listen UP! Exploring the World of Natural Sound and Saving the Night: How Light Pollution is Harming Life on Earth for Orca Books. Stephen often works out of his Himalayan studio that he shares with several bashful geckos and an odd orange-eared mouse. He is an active member of the Writers' Union of Canada.