An antique book is a printed work that is typically over 100 years old. These books are often valued for their historical significance, unique bindings, and illustrations. Collectors and historians seek antique books to preserve the past and understand the cultural context of the time in which they were created. The condition of an antique book greatly affects its value. Factors such as rarity, demand, and the presence of original features like dust jackets or signatures can influence pricing. Many antique books are found in libraries, bookstores, or through auctions, where enthusiasts can acquire these pieces of literary history.