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They have to go to Mars.
They will go into the most advanced spacecraft ever built.
And then... the challenge!
They will drive the spaceship as fast as light...
And, when they come back to Earth...
... everything has changed!

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In this novel, we are following the adventures of some astronauts who go to Mars in order to test safely, without Earth's collateral effects, Dr. Alem's light motor. Theoretically, it can reach almost 100% of the speed of light...

... and certainly something happens. They have time travelled and something has changed. But actually they have modified everything...

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