Everything you need to understand or teach A Snake Falls to Earth by Darcie Little Badger.
In Darcie Little Badger's novel A Snake Falls to Earth, for years after Nina hears her great-great-grandmother's untranslatable story, she is determined to uncover the tale's true meaning. Although the story appears fantastical, Nina believes the legend might possess the answers to her biggest questions. She knows that there once was time when life on Earth was connected with life in the Reflecting World, a parallel realm inhabited by animals, animal people, and spirits. While she attempts to decode her family's folklore, a cottonmouth snake named Oli attempts to adjust to life away from his mother in the Reflecting World. When his friend Ami gets sick, Oli realizes the only way to save him is to travel to Earth. Oli's mission to help Ami causes his life to intersect with Nina. Together, the friends must learn how to make sacrifices and love one another in order to overcome great conflicts. The novel explores themes including, friendship, bravery, and environmentalism.