I'm only just now learning about this book and I wish I could get a copy to hold.
I want to try recreating it in obsidian with interlinking connects to map out in the graph view too 😂 I'm holding off on looking at the spoilers in case I managed to find a copy somewhere soon... ish.
https://en.wikipedia.org/wiki/Maze%3A_Solve_the_World%27s_Most_Challenging_Puzzle