New to the series? Get Book 1 here: smarturl.it/excelsior THIS INTERSTELLAR VOYAGE MIGHT BE OUR LAST With androids in control of Earth, and humans relegated to colonies on Mars and the outer planets, tensions are rising, and war looks inevitable. Looking for a way to escape the looming conflict, Alexander and Catalina de Leon board the Liberty with 70,000 other colonists on a voyage to Proxima Centauri, but it's going to take them nine years to reach...