About the book: 1966 / V.V. Tychinin is familiar to the reader as the author of two major novels - "Greater Siberia" (1952) and "A Year of Life" (1958 ), a collection of stories for children “Brave Boys” (1960) and a number of essays. This is the first time he has appeared in the genre of adventure stories. The story “Three from the Ocean” tells about the difficult work of Soviet people guarding the security of the Motherland, about ordinary Soviet citizens who help neutralize dangerous spies.