Using field research and interviews with geologists and a paleontologist, journalist Greg Breining uncovers the true story of the Yellowstone super volcano. It is capable of expelling more than 200 cubic miles of magma in a single blow. Breining looks at how geologists pieced together the puzzle of the Yellowstone super volcano, the devastation it has wrought, the natural wonders it has created, where it stands in relation to other prehistoric super...