Dork Diaries is a comic book because it uses illustrations and visual storytelling to convey the plot and characters' experiences. The combination of text and pictures makes it fall into the category of a comic book.
I think it is. The characters and their experiences in Dork Diaries are quite similar to what you might find in real life among young people, which is a key characteristic of realistic fiction.
Sure, it is. Dork Diaries is in the realm of fiction. It weaves fictional tales that often involve the adventures and experiences of the main characters in a fictional setting.