What is the most expensive book on the planet and how much does it cost?

Leonardo da Vinci's genius continues to enchant the world, and his work Codex Leicester is a testament to that fascination. This rare manuscript, written between 1508 and 1510 by the Italian painter and inventor himself, is a compendium of revolutionary ideas and detailed illustrations. The book, consisting of 72 pages and 360 illustrations, offers a unique insight into the thinking of one of humanity's greatest geniuses. Originally owned by the…