"In May 2014, the mountaineer and scientist John All fell into a crevasse near Everest and took a series of videos as he struggled to climb out 70 feet of ice and snow with fifteen broken bones ... He's also won a footrace for his life with a wild hyena, stepped on a black mamba in the African bush, and scaled Everest - all in pursuit of his true passion: the future of adaptation to our world's changing climate ... [This book is his] report from the extremes ... [and relates his message] about the impact of climate change"--Provided by publisher.