At the Mountains of Madness,

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First published in 1931, this phantasmagoric combination of science fiction and horror novel is located on the high plateau of Antarctic, reached by airplane, but discovering the world’s highest mountains and remains of an ancient ‘civilization’ come back to life and destructive of the expedition.

South Latitude.

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A beautifully written book on whaling in the Weddell Sea, where R.R.S. Discovery II was trapped (like Endurance) but escaped.

A Voyage Towards the South Pole, Performed in the Years 1822-24 Containing an Examination of the Antarctic Sea (1827).

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It’s obvious that Weddell was well-read on the history of the region he explored (cf. his translation and abstracts of earlier Spanish reports, on p. 61-9), but this isn’t evidence of books aboard—he does speak of the credibility of some books inducing him to search certain islands, implying that copies were on the ship. And the obligatory prayer-books on British ships were certainly present.