, I recommend the following two space war novels to you. I hope you like them: 1. " Ultimate Universe Trial ": This novel tells the story of a civilization five billion years later. Humans are engaged in high-tech wars in the four-dimensional space and explore the unknown universe. The story was full of ups and downs, full of tension and excitement. 2. " Four-Dimensional Assault of Future Warfare ": This novel is set in the future universe and tells the story of how humans launched high-tech wars in the four-dimensional space. The writing is smooth and the plot is rich. The creativity of various technologies and weapons is refreshing. These are my personal recommendations. I sincerely hope that you like them. If you need any other recommendations, please feel free to tell me.