Here's Janet to tell us more:
"While I was writing in the early stages, I had no idea about a cover; but as I revised I began to have avision of it, and most of the images that came to my mind reflected my research. I loved the vintage photographs of Yellowstone and carried around in my mind an image of a girl looking at Old Faithful geyser, but with a vintage feel.
"My editor asked me for advice! I was pleased and surprised. I don't know that it's common to ask. She wanted me to send her some of the photos I'd collected, especially photos with clothing details of the period and photos of girls I thought looked like Maggie (my protagonist.) And she asked me what I thought the cover should look like, so I wrote a narrative paragraph. I mentioned the cover of HATTIE BIG SKY (by Kirby Larson), which is close to the same period although a different social set..."
Read the rest of Janet's Cover Story at melissacwalker.com.