Marcin Kędryna, a long-time co-worker and erstwhile manager of president Andrzej Duda's press office, described in Everything Most crucial a hitherto unknown behind-the-scenes account of his work in the Office of the President. The memoirs are full of harsh assessments, as well as an anecdote about an incidental in which Marcin Mastalerek - now a key figure in the head of state's entourage - was said to have behaved aggressively toward him.