"Nemesis" is an exciting science fiction novel by the famous writer Isaac Asimov. This book tells the story of a group of scientists who discover a mysterious artifact on Mars that spreads a mysterious disease among the expedition. With each turn of the page, the reader deepens into the world of people who are forced to face moral dilemmas and ethical issues in the harsh conditions of space flight. The book "Nemesis" is worth the attention of anyone interested in science, morality and the future of colonization of other planets. Revealing the most diverse aspects of human nature, the novel leaves the reader in tense anticipation of events until the last page.