Those Greenland Days: The British Arctic Air-Route Expedition, 1930-31.

 Preview 

A rather less engaging book than his later Sledge, but informative on an expedition to scope out air-routes across Greenland by meteorological observations on the icecap. Several reading references:

Man the Ropes.

 Preview 

A short autobiography that covers his early Greenland trip with Gino Watkins, the British Arctic Air Route Expedition of 1930.

The Man on the Ice Cap. The Life of August Courtauld.

 Preview 

Courtauld was a British yachtsman who notably spent a winter alone as meteorologist on the Greenland icecap in 1930-31, where he had considerable reading matter.