The main character is clearly Harriet. But other important characters include Harriet's classmates like Beth Ellen. They are part of the world that Harriet spies on. And Mrs. Plumber, a neighbor perhaps, who is also in Harriet's field of observation. All these characters together create the complex web of relationships in the novel.
The themes in 'Harriet the Spy Novel' include growing up and seeing the world from different perspectives. Harriet's spying adventures force her to see the people around her in new ways, which is part of growing up. Also, honesty is a theme as she has to deal with the consequences of her not - so - honest spying behavior.
Not entirely. While it may draw inspiration from real-life situations or stories, Harriet is likely a blend of fact and fiction, crafted to create an engaging narrative for the audience.
I'm not sure specifically what the 'Harriet 2019 top stories' are without more context. It could be about various topics like local events, achievements of people in the Harriet community, or important cultural happenings.
It's possible that there are fictional characters in Harriet. The author might have used imagination to craft certain characters to add depth and complexity to the narrative.