About the book: 2021 / By chance, a schoolboy interested in space ends up on a spaceship that went to Mars. But what happened? The electronics failed and the ship plunged into a black hole. A couple of minutes later, Russian cosmonauts with a “space tourist” land on the planet Umpa and see the inhabitants of the planet - the Umpapups. But how much they look like babies! Will the “tourist” and the astronauts be able to return to Earth, and how will the little Umpapooties perceive the aliens on their green planet??