"Sans dessus dessous" is a science-adventure novel by the outstanding French writer Jules Verne. In this book, the author talks about the extraordinary events that occur as a result of the ridiculous plan of the bankers to turn the Earth upside down. Readers, together with the main characters, embark on an exciting journey through unusual and dangerous adventures that reveal the limitless possibilities of scientific progress. "Sans dessus dessous" is a book that combines science fiction, intrigue and suspense, leaving the reader enthralled until the last page.