Can you recommend some fantasy novels with reasoning elements?

Keeley, a simple plain Jane, hits the jackpot. [No, she did not win the lottery!] At least that's what she thinks when she marries the most eligible bachelor in New York City: Aaron, a wealthy cold-hearted heartthrob and Tycoon. She wants to show the world that she deserves her position and bends over backward to fit into his world. One beautiful day, Aaron hands her a document asking her to sign. A divorce paper... "She's pregnant, and I need to take responsibility." That is the last thing that keeps on playing in her mind before she takes her last breath. Keeley dies, a 'hit and run'. [End of story. Not!] For some unexplainable reason, she wakes up as her younger self. A young high school girl, around the time when she first meets her cheating husband. Remembering her life with Aaron before she died, she makes a promise to herself that she will do everything in her power to avoid him at all costs. Will she be able to keep her promise when Aaron has his own plans as well, specifically for her? Or will she repeat history and fall for him once more... Why not journey with me and find out the truth behind their story. *Cover art by polkadottedscrunchie*

Zhou Yun transmigrated to a fantasy world and was bound to the God Tier Epiphany System. He could enter into a state of meditation and achieve epiphanies that others desired regardless of what he did. Other cultivators immersed themselves fully in hardcore training in order to achieve some improvements in their swordsmanship. On the other hand, Zhou Yun achieved enlightenment in swordsmanship by merely picking up a sword and playing with it a little. His swordsmanship attained perfection in an instant. Other cultivators trained hard in order to break through to the next plane. Zhou Yun merely swept a glance at the fallen leaves in the courtyard. Then, he had an epiphany and broke through to the next plane on the spot. He had insights into everything in the world, and his rate of plane progression skyrocketed. When other cultivators finally became powerful existences after going through various hardships, Zhou Yun had already become the supreme existence through having countless epiphanies.

The story is about a guy who got a second chance at life and greatness. This story doesn't belong to me. English is my third language, so I'm sorry.

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"It can't be." a group of ninjas said as a coffin was kicked opened "That, Seth! Why him out of all people." a man with a large nose said as he took a step backward. "it seems like I'm came back to life. But who got the ball to try and control me." a red-haired man said as he walked out of the coffin. "Onoki, you have grown," he said as he began feeling out his body. "Run! this war is over. We lost." The man called Onoki yelled as he flew away. This is a story about a man who reincarnates in a world full of ninja as he went on to be the most feared man ever.

Foo, a bright young man that happens to be a computer genius, who excels in life by taking shortcuts when possible. If life was a game, he would definitely pick the easiest mode. Exams in school? Just read all the books once, and make sure you don’t forget the contents. Looking for a job? Make sure everyone around the boss knows just how perfect you are for the job. Having others bragging about your excellence is more trustworthy and gives plausible deniability. Quiz time? Let me just start my special search engine's voice recognition. Competing in soccer? Aw, how unfortunate, the opposing team 'somehow' got their clothes filled with itch-inducing powder, leading to a walkover. Playing a FPS game? Well, lets just have my own mouse driver software get some headshots while I watch a movie. It’s perfectly legit, as it just speeds up the response time so that it clicks before I even get to the computer. Gambling sites and online casinos? Data-mining, number-crunching and image recognition! By utilizing computer knowledge, solving problems is easy! Some might get jealous, but hey! Just be like me, and use your brains for once! However, in the modern era, the gangsters and other shady businesses are moving their turfs towards the internet and gaming circles. What happens when they realize that Foo was a threat to their profits? Well, no suspense here, they killed him. That’s the end of story... if you are to believe the god that greets him after his death. However, can this story get a fresh new start when Foo somehow ends up in a game-like medieval fantasy world? Or will the lack of modern tools, like his beloved computers or other modern conveniences, cut his story short yet again? ------------------------------ Also, thanks to SageDrunkKitty and Remteldanmarkius for proofreading the synopsis! Any errors still there are their fault! The fact that I might not have listened on them does not automatically make it my fault, okay?