""Man's Mission on Earth: A Contribution to the Science of Eugenics"" is a book written by Robert Johnstone Kahn and published in 1902. The book is an exploration of the science of eugenics, which was a popular topic in the early 20th century. The author argues that the human race can be improved through selective breeding, and that this process can be guided by science. The book covers a range of topics related to eugenics, including the history of the science, the principles of heredity, and the role of environment in shaping human traits. The author also discusses the practical applications of eugenics, including the prevention of inherited diseases and the improvement of human intelligence. The book is written in a scholarly style and includes numerous references to scientific studies and research. Overall, ""Man's Mission on Earth"" provides a fascinating look at the early days of the eugenics movement and the scientific theories that underpinned it.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.