A science-history novel usually includes the following elements: 1. Enthralling Plot: The plot of a novel should attract the reader's interest and lead them to understand the background and details of historical events. The plot should have enough conflict and tension to make the reader want to continue reading. 2. Scientific background and explanation: The novel should include scientific background and explanation of historical events and characters so that the reader can understand the root cause of the event. The author should explain scientific concepts and terms as accurately as possible so that readers can understand the scientific elements involved in the novel. 3. Personal fate and historical process: The characters in the novel should have a certain historical background and their personal fate should be related to the historical process. These characters should have a certain level of complexity that allows the reader to understand their thoughts, emotions, and actions. Unique perspectives and perspectives: The author should have unique perspectives and perspectives to be able to explain historical events and scientific concepts in different ways. This uniqueness could make the novel more attractive and deep. Conflict and climax: The novel should contain enough conflict and climax to attract the reader's attention. These conflicts and climaxes should have enough tension and drama to make the reader want to continue reading. Ending: The ending of the novel should satisfy the reader's expectations and summarize the whole story. The ending should have enough depth and meaning to give the reader a deeper understanding of history and science. These are some of the common elements of science and history novels. Of course, the specific storyline and character setting depends on the author's creativity and inspiration.