Antoine Oulou-Garcia and Thierry Maugene: 21 puzzles to (finally!) understand math. Part 2
The second 11 logical-mathematical puzzles from Antoine and Thierry: turning over cards, connecting the dots, manipulating election results, the Gordian knot, breeding rabbits, drawing penalties, dividing a chocolate bar, as well as truth-tellers and liars, savants and evil dogs. 11 TRUTH IN LIES While conducting experiments in an old castle, Cornelius discovers thousands of playing cards used in a long-forgotten game; each of them has a letter on one side and a number on the other.