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you may be interested in learning about the possibility of a moonlight maize maze meander over this side of the world

OK I lied I need to say more

I had transferred from a private school to a public elementary school which was way behind in my math education and for some reason no one thought to put me in a better math class. During this time my dad gave me Who is Fourier? A Mathematical Adventure.

This was a textbook with a lot of illustrations and little cartoon characters discussing the fourier waves overly enthusiastically. It was put out by a weird Japanese school ("The transnational college of LEX" -- I'm still not 100% convinced they're not some math and language cult or something).

Despite being about the fourier transform it assumed no knowledge from the reader besides basic arithmetic; and so covered trigonometry and calculus concepts where needed.

So despite only vaguely understanding a lot of the concepts in the book, it really set me up well for calculus class (when I finally got to that years later), and is probably the only reason I was good at math through university. That weird little math book that no one has heard of but I was obsessed with.

Did you ever read Mad Mazes by Robert Abbott? That was a book of 20 mazes that were practically lessons in graph theory. I remember one involved navigating a public transit map where you could make free transfers of the same type (bus to bus or train to train) or to the same color (e.g., a red bus line to a red train line). Another involved using a die to mark your position on a grid; you could only move to a square if tilting the die over in that direction brought the number printed on the square to the top of the die.