"A Floating City" and "The Blockade Runners" are two separate novels written by Jules Verne. While they are distinct works, both explore the themes of adventure and maritime exploration that are often found in Verne's writings."A Floating City" (French: "Une ville flottante") was published in 1871. The story follows the journey of the transatlantic steamer, the Great Eastern. The novel provides a detailed account of life aboard the ship, capturing the experiences of the passengers and crew members as they navigate the Atlantic Ocean. Verne explores various aspects of life on board, including the social interactions, entertainment, and technological innovations of the time. The novel also weaves in a subplot involving a stolen necklace, adding an element of mystery and intrigue."The Blockade Runners" (French: "Les Forceurs de blocus") was published in 1874. This novel is set during the American Civil War and revolves around the efforts of a British merchant, James Playfair, to assist the Confederate States of America by running the Union blockade of Southern ports. Playfair and his crew face perilous challenges as they navigate treacherous waters, avoid Union patrols, and deliver essential supplies to the Confederate forces. Verne incorporates elements of suspense and danger, highlighting the bravery and resourcefulness of the blockade runners.