The Guardian 's Best Science Book of 2017 One of Science News 's Favorite Science Books of 2017 The fascinating science and history of the air we breathe It's invisible. It's ever-present. Without it, you would die in minutes. And it has an epic story to tell. In Caesar's Last Breath, New York Times bestselling author Sam Kean takes us on a journey through the periodic table, around the globe, and across time to tell the story of the air we breathe,...