Тайна третьей планеты

By the end of the twenty-first century, life on Earth has changed significantly. People have learned to travel among the stars and have befriended the inhabitants of distant planets. Peace reigns in the galaxy, and space routes are completely safe. And in the future, summer vacations still exist. Mischievous and restless third-grader Alice Seleznyova is extremely lucky: her dad is taking her on a scientific expedition for the entire summer. They plan to fly around the galaxy on the spaceship 'Pegasus' in search of unknown alien creatures. However, the winding star road unexpectedly leads the travelers to the heart of a criminal conspiracy. This is a crime of cosmic proportions! Now, to stop the villains, the crew of the 'Pegasus' must make a risky flight and unravel the mystery of the third planet in the Medusa system.