About "Figures for Fun"

Figures for Fun is a book by Yakov Perelman.
It's a book of math puzzles, brainteasers, stories and conundrums.

It's a very old book (it was published in 1960's), and it is hard to find it at any bookstore now.

I will post some best puzzles here so that anyone who doesn't have access to this book can still enjoy it.