

RNDr. Jiří Jarník, CSc. is basically a co-author with all these “(pozn. překl.)” and I think they greatly improved it. I don’t think there’s any other translation of the book, so I’d say the ultimate version is Czech. It’s on my bookshelf too, no need to find scans online.
Here’s a fun question from the book, shortened and adapted for modern typesetting:
Jméno kterého matematika se skrývá v rébusu?
^πr
Řešení: https://cs.wikipedia.org/wiki/%4A%6F%68%6E%5F%4E%61%70%69%65%72




















I like how many kinds of leftovers can be given to chickens. The only limitation is that they have to get curious enough to peck at it. They’ll ignore some delicious shit on their regular food plate if it’s the “wrong” shape and color.