Lumen is a book written by Camille Flammarion. It is a work of science fiction that explores the concept of life on other planets. The story is set in the year 1895 and follows the adventures of a group of explorers who travel to a distant planet called Lumen. The planet is inhabited by a highly advanced civilization, and the explorers must navigate their way through a series of challenges and obstacles in order to make contact with the aliens.Throughout the book, Flammarion explores a range of themes, including the nature of life, the mysteries of the universe, and the potential for human exploration and discovery. The book also touches on issues such as religion, spirituality, and the relationship between science and faith.Overall, Lumen is a thought-provoking and engaging work of science fiction that offers a unique perspective on the possibilities of life beyond our own planet. Flammarion's vivid descriptions and imaginative storytelling make this book a must-read for anyone interested in the mysteries of the universe and the potential for human exploration and discovery.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.