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The science fiction story describes the adventures of three friends: the founder of the Cannon Club, Impi Barbicane, captain Nicolas and the daredevil Michel Ardan. Travelers make a five-day flight around the satellite of our planet, spending time in scientific disputes and discussions and sharing important guesses and observations with each other. At the very beginning of the novel, Barbican states:...

The essays collected in this book were written over a period of more than a decade. They are arranged chronologically in order to create a complete sequence. The first essay in the collection, "Sensitivity of Matter", is dedicated to Edward Stachura, an exceptional Polish poet who became a national hero among young people after his suicide in 1979. The essay was inspired by my conversations and debates...