The book "The Last Link: Our Modern Knowledge of the Origin of Man" by the famous author Ernst Haeckel is one of the most important works in the field of evolutionary biology and anthropology. In this book, the author highlights the then-modern scientific view of human evolution, considering various aspects of its origin and evolutionary development. Haeckel examines in detail the arguments and evidence supporting a continuum in the evolutionary development of living organisms, including humans. The book "The Last Link: Our Modern Knowledge of the Origin of Man" offers the reader a deep and intellectually stimulating journey into the world of scientific research, which will contribute to the expansion of knowledge about the evolution of the human species and the determination of man's place in the natural world.