"Catalysis" by Paul Anderson is a science fiction novel that takes place in the distant future, where humanity has spread across the interstellar space and collided with the known and the unknown. In this book, the writer explores not only the relations between different civilizations, but also the philosophical aspects of progress, morality and the will to survive. "Catalysis" is an exciting journey into the unstoppable world of space, where every decision can decide the fate of all life.