The book reveals the amazing world of mushrooms, the richness of their forms and varieties. On its pages - our old acquaintances, permanent objects of "quiet hunting" in the forest - cap mushrooms, as well as lesser-known - microscopic mushrooms. The reader learns about the damage mushrooms cause to agriculture by causing plant and animal diseases; familiarize yourself with their useful properties, widely used in the microbiological industry in the production of fodder yeast, amino acids, vitamins, enzyme preparations, antibiotics.