Long captivated by the solid yet impermanent nature of ice, by its stark, rugged beauty, acclaimed poet and writer Nancy Campbell sets out from the world's northernmost museum - at Upernavik in Greenland - to explore it in all its facets. From the Bodleian Library archives to the traces left by the great polar expeditions, from remote Arctic settlements to the ice houses of Calcutta, she examines the impact of ice on our lives at a time when it is itself under threat from climate change.