I recently gifted Illustrated Theory of Numbers to a friend, and it is indeed beautifully illustrated. I would also recommend "Prime Numbers and the Riemann Hy

I recently gifted Illustrated Theory of Numbers to a friend, and it is indeed beautifully illustrated. I would also recommend "Prime Numbers and the Riemann Hypothesis" for its illustrations and exposition [1]. [1] https://www.amazon.com/gp/product/1107499437 https://www.amazon.com/gp/product/1107499437