An award-winning science journalist explains what Earths frozen waters tell us about the past, present, and future of humanity. The Kingdom of Frost, or what scientists call the cryosphere, refers to all of Earths frozen waters. Glaciers, ice caps, and fields of Arctic snowthe cryosphere is vital to our survival. It supplies us with water and helps cool cities from Bangladesh to Bangkok, Los Angeles to Oslo. In this captivating, eye-opening account, esteemed Norwegian writer Bjrn Vassnes interweaves brilliant climate reporting with the fascinating story of Earths frozen world. He draws on cultural history and anthropology to tell us how the cryosphere once helped to spark life on Earthand how it continues to sustain us despite its shrinking size. And he answers pressing questions such as: What will happen if it all disappears?