Five Weeks in a Balloon is the first book in Jules Verne's Extraordinary Voyages series. It tells the adventurous tale of three Englishmen who attempt to cross Africa, from east to west, in a hot air balloon.

Dr. Samuel Ferguson, a rational and daring scientist, leads the expedition. He is accompanied by his loyal manservant Joe and his sporting friend Dick Kennedy. The trio embarks on a series of thrilling adventures as they encounter various challenges, including natives, dangerous animals, and the unpredictable African weather.

Throughout the journey, Verne's vivid descriptions of the African landscape, flora, and fauna provide a rich backdrop to the story. The novel, first published in 1863, reflects the European fascination with African exploration during the 19th century and includes references to actual expeditions of that time.

This classic work combines elements of science fiction, adventure, and comedy, showcasing Verne's unique storytelling style that has captivated readers for generations.