"Kotolyzator" is an exciting science fiction book written by Ukrainian writer Andrii Lazarenko. In a world where people live side by side with domestic cats that have shown incredible abilities and intelligence, the main character, a young geneticist, goes in search of the mysterious "Catolizer" - a device that, according to rumors, can change the course of events in the world. During his journey, he will encounter dangers, mysteries and incredible discoveries that will change his ideas about life, love and trust. "Kotolyzator" is an exciting journey into the world of fantastic opportunities and deep moral dilemmas.