For the sake of discussion lets presume it both (a) exists and (b) has been translated to a language you know.
I went to highschool with him. We hung in the same crowd of nerds and geeks. Not sure if he’s changed as an adult, but back then he was extremely introverted. Hung out at a couple of parties in his parent’s basement (where he started his shareware empire) and he spent the whole time on his computer. Should he ever write his memoirs I suspect they would focus mostly on his business life and his anti-trust efforts against various companies.
No doubt - his focus has built some really cool stuff. He always struck me as a decent sort and his fight on behalf of the little guy when it comes to percentages paid to Steam, Apple, and his own Epic shows that too.