A Fall of Moondust is a hard science fiction novel by British writer Arthur C. Clarke, first published in 1961. The novel is set on the Moon in the 21st century where tourists cruise across the lunar seas in specially designed "boats" that skim over the dust surface. During one of these cruises, a moonquake causes an underground cavern to collapse enveloping one of these vessels, with a consequent struggle by the passengers to escape before the air supply runs out.
