Considering the novel contents, Grandpa Lazaro desires Sierra to revive Shadowshapers.
Daniel Jose Older wrote this book titled Shadowshaper. In the book, while Grandpa Lazaro was recovering from a stroke, he apologized to Sierra and desired she revives Shadowshapers.
Sierra was from a family of Shadowshapers: magicians who can communicate with the spirits of the dead and utilize them in artwork, music, and stories.
However, it was revealed that someone had suborned this ability from the family of Shadowshapers, and Grandpa Lazaro wants Sierra to revive this ability.
Hence, in this case, it is concluded that the correct answer is "Shadowshapers."
Learn more about the book Shadowshaper here: https://brainly.com/question/19717428
