I know you asked for books, but I have to mention the videos of Grant Sanderson (3Blue1Brown) [1].
His explanations of mathematics are the only ones I can think of that have given me the same sort of piercing clarity and insight that one gets from reading Feynman on physics.
His explanations of mathematics are the only ones I can think of that have given me the same sort of piercing clarity and insight that one gets from reading Feynman on physics.
[1]: https://www.youtube.com/c/3blue1brown