Russian ballet, Russian caviar, Russian vodka, Russian mat. Which of these national treasures has not become scarce in recent years? Only the fourth and to some extent the third. The new large mat dictionary is not the first of its kind, but the most complete and original. The original, in particular, by the fact that the author of the dictionary managed to mercilessly ridicule in print all the predecessor dictionaries published both in Russia and abroad. Well, the flag is in his hands!