Rare books are unique or limited-edition publications that hold significant value due to their age, scarcity, or historical importance. These books can include first editions, signed copies, or works by notable authors such as William Shakespeare or Jane Austen. Collectors often seek rare books for their aesthetic qualities, craftsmanship, and the stories they tell about the past. The rarity of a book can be influenced by factors such as the number of copies printed, the condition of the book, and its provenance, or history of ownership. Libraries and collectors often preserve rare books in controlled environments to protect them from damage, ensuring that future generations can appreciate these literary treasures.