Kate Siber, author of the award-winning bestseller National Parks of the USA, is a journalist and a correspondent for Outside magazine living in Durango, Colorado. She has tried her hand at almost every adventure activity going, and covers the world's wild and remote places as well as environmental and social issues. Her writing has been featured in many publications, including National Geographic Traveler, National Parks, Preservation, Men's Journal, and The New York Times.

Chris Turnham is an illustrator and printmaker based in Los Angeles. He's worked as an artist in both feature and television animation and has contributed illustrations to publications and children's books.