Mo is a very small (7 centimeter tall) witch that is scared of children. She hears voices at night and has nightmares. During the day, the other witches laugh at her small size and her inability to scare others. Mo befriends Violeta and rides in her backpack to school. Violeta introduces Mo to the other children and they learn that there is nothing to fear from each other. The children and Mo become friends. This story is a good way to show children that although we are all different, we can become friends. Through Mo’s story readers learn that when they have fears of the unknown, they can face them through dialog with friends. Recommended.