Sonja Yoerg grew up in Stowe, Vermont, where she financed her college education by waitressing at the Trapp Family Lodge. She earned her Ph.D. in Biological Psychology from the University of California at Berkeley and published a nonfiction book about animal intelligence, Clever as a Fox (Bloomsbury USA, 2001). Sonja currently lives in the Shenandoah Valley of Virginia with her husband, and they are often visited by their two college-aged daughters.