Author: Julian Sancton Crown, 307 pages, $30 Going to the continent of Antarctica (on a three-year voyage) may not be everyone’s idea of a great time — although more than 50,000 people cruised to the continent during the austral summer in 2018-2019 — but for commandant Adrien de Gerlache, 31, who amazingly never learned to swim, and a handful of sailors, it was their longstanding dream. “Madhouse at the End of the Earth” author Julian Sancton has written a masterpiece. He writes about culture and travel for Departures magazine as a senior features editor and is reported to have writ...