A summary about the book meanest doll in world?

The Meanest Doll in the World is a children's novel by Ann M. Martin, first published in 1993. The book tells the story of a young girl named Amanda who receives a doll for her birthday that turns out to be evil. The doll, named Agatha, quickly becomes a nightmare for Amanda and her family, terrorizing them with mean pranks and violent outbursts. As Amanda tries to figure out how to get rid of Agatha, she learns the importance of facing her fears and standing up for herself.