It is about a girl who is a sneaky spy. She has a notebook that she loves. She has written some mean things about her best friends. Will she ever become friends with them again? Find out in Harriet the spy. This would be a goood boook for people who like and mysteries. It is a very good book. If you have time read the book Harriet the spy. I know if you read it you will like it. It wasn't the best book I ever read, but it was the second best book I ever read in my life. Please read Harriet the spy.