S. I. Soper was born in a small farming community near Chehalis, Washington. She has also lived in Oregon, California, Arizona, Texas, and Missouri. When not writing, she enjoys traveling, especially by Amtrak route. She has traveled to Europe, Africa, South America, Mexico, Yucatan, South Sea Islands, Canada, and all over the United States by train, plane, car, bus, ship, mule train, camel caravan, and wagon train. She has ridden by mule down into the Grand Canyon to Phantom Ranch twice.