I very much remember this, from when I was ten or so.

In the same vein, is the "The Adventure of the Dancing Men" [1]

[1] https://en.wikipedia.org/wiki/The_Adventure_of_the_Dancing_M...

this, but for a 10 year old consider getting the Great Illustrated Classics abridged version. i read it when i was 10, and it kinda blew my mind.

Thanks. We just finished Gulliver's Travels with him, so I bet he can handle it.