We are now at the cusp of settling other worlds. The timeline for a Mission to Mars is still over 20 years off, but it doesn't have to be. This book demonstrates why we should go to Mars, and why when we do, going one-way - not to die, but to live - actually makes a lot of sense. Simply put, a one-way trip maximizes the return, minimizes the cost, and is by far the most logical way to organize a mission from almost every standpoint. 'Leaving Earth' is fast-paced, and full of fascinating historical, scientific, and personal stories. It is aimed at a non-technical audience, and should be...