About the book: year / A mysterious white ball that descended from the sky in 1929 and was noticed by a Soviet geological party working in the depths of Central Asia. Miel, a messenger from the Union of a Thousand Planets, has come to decide the fate of the Earth. Yuri Kartsev, who flew away with her. Commander Arkass is from the center of the galaxy's de-wallization, a faithful servant of the Great Coordinator, a super-brain that has become a curse from a blessing. Lagrim, Miel's father. The planet-reserve Fabiola, on which the “Drions” mature...Events and people familiar from childhood. The story was published only once - in the newspaper Pionerskaya Pravda. The first part of the story (up to and including the chapter “The Man from the Silver Ball”) was published in Nos. 6, 8–9, 11–17, 20–22, 24, 26–27, 29 for 1974. The second part (from the chapter “Irreparable error" to the end) - in Nos. 82-84, 86-87, 90-93, 96-100, 102 for 1975 and in Nos. 2, 4-6 for 1976. Drawings by Igor Bliokh.