The story of how a six-year-old rocket passenger helped his father cope with a problem in outer space.

Geologist Lyuda fell behind the expedition, got lost in the mountains and almost fell into the abyss. A stranger saved her. But is he human?

The story tells about the amazing adventures of the boy Grisha on Earth and in space.

The country is on the verge of nuclear war. A young scientist, Robert Smith, persuades his wife Margaret to give up everything and save herself. Together wit...