Under a Painted Sky, by Stacey LeeRead about the other entries on the list.
Chinese American musician Samantha forms an unbreakable bond with Annamae, an escaped slave, in 1849, when they flee their violent pasts. The Oregon Trail is particularly unsafe for young women, so Sam and Annamae disguise themselves as boys. Although they discover unexpected allies in a group of cowboys, it’s the girls’ friendship that forms the heart of the story.
Under a Painted Sky is among Dahlia Adler's seven top YA novels about best friendship.
My Book, The Movie: Under a Painted Sky.