The book "Mission - the Cosmos" is an emotionally rich story of the first astronaut our state, Hero of Ukraine, candidate of technical sciences, people's deputy Ukraine of the Fourth Convocation, People's Ambassador of Ukraine, cosmonaut, military test pilot of the 1 st class, test engineer, Major General of the Armed Forces of Ukraine Leonid Kostiantynovich Kadenyuk about flight into space in 1997 in the crew of the Colombia spacecraft, mission STS-87. The publication contains extremely interesting descriptions of flight stages, portraits its participants and the author's eflections on the universe, the place in it of the planet Earth and human responsibility for its future.