The 21 Balloons Author:William Pene du Bois Professor William Waterman Sherman, a disillusioned schoolteacher, saidls in a giant balloon over the Pacific, lands on the island of Krakatoa, and witnesses a tstupendous explosion in which that notorious island blows up. When Professor Sherman is found adrift in the Atlantic cliging to the debris of twenty balloons, all America rocks with curi... more »osity. Much of the story is based on complete truth-scientific principles behind nineteenth-century balloon inventions and the history of the amazing civilization found on Krakatoa. The rest, agrees the author, is absolute nonsense.« less