Historical novels were a type of novel that used historical events and characters as the subject matter. They usually used fictional stories to show the images of historical events and characters, while adding certain plots and characters to enrich the story's readers. There were many types of historical novels, including but not limited to the following: 1. Historical time-travel novels: These novels usually tell historical events from the perspective of modern people. They show the authenticity of history through fictional stories and characters, sometimes adding certain sci-fi elements. 2. Historical biographies: This type of novel usually uses the image of a historical figure as the protagonist. Through telling the story of the historical figure, it shows its life experience and personality charm. Sometimes, it will add a certain plot and character to enrich the story's readers. 3. Historical fantasy novels: This type of novel usually adds certain fantasy elements to historical events and characters to create a world different from history. Through fictional stories and characters, it shows the charm of this world. 4. Historical suspense novels: These novels usually use historical events as the background to attract readers 'interest by narrating the mysteries and suspense of historical events. Sometimes, some sci-fi elements are added. 5. Historical war novels: These novels usually use historical wars as the background to show the cruelty and heroism of war by telling the stories and characters of war. Sometimes, some sci-fi elements are added. These are some of the common historical novels. Of course, there are many other types of historical novels that readers can choose according to their preferences.