The book from AB Publishing talks about how to become an essential worker. This provides a lot of privileges, bonuses, and most importantly, promotes career growth. Irreplaceable employees subsequently become managers and often open their own businesses. The work is not easy, but who promised it would be easy? But the payoff from effective work is enormous. The satisfaction from a fruitful day at work is incomparable. Every concluded deal is worth its weight in gold. Fatigue from your favorite job is the most pleasant. And the close people of a successful employee value and respect him. What else is needed for happiness? Love? Certainly! Everyone loves essential workers!