Relates the incredible adventures of Professor William Waterman Sherman who in 1883 sets off in a balloon across the Pacific, survives the volcanic eruption of Krakatoa, and is eventually picked up in the Atlantic.
Professor William Waterman Sherman, a disillusioned schoolteacher, sails in a giant balloon over the Pacific, lands on the island of Krakatoa, and witnesses a stupendous explosion in which that notorious island blows up.