Can you recommend some novels with philosophical topics?

I recommend the two novels," Sweetheart Prophet: Hit a Prince Charming to Pay " and " Doomsday Philosophy ". The former was a modern romance-urban supernatural novel. The protagonist was born to be able to predict, explore philosophy, faith, the relationship between time and space, and cause and effect, as well as bear the fate of the whole world. The latter was a sci-fi space-doomsday crisis novel. The protagonist traveled to the end of the world hundreds of years later and was puzzled by the fact that human society was no longer equal under the crisis. He explored the philosophical problems between individuals and society. I hope you like my personal recommendation.😗