Niezwyciezony (Audioplay) (2013)

"Invincible" is one of the most famous novels by Stanislaw Lem and a science-fiction classic. Go with us to the planet Regis III and with the ship's crew set out in search of the Condor - a twin unit with which communication was lost after it landed. Using the greatest precautions, investigate a great mystery hidden on an alien planet.