Une ville flottante

A Floating City, or sometimes translated The Floating City (French: Une ville flottante), is an adventure novel by French writer Jules Verne first published in 1871 in France. At the time of its publication, the novel enjoyed a similar level of popularity as Around the World in Eighty Days. The first UK and US editions of the novel appeared in 1874. Jules Férat provided the original illustrations for the novel.