A "first edition" refers to the initial printing of a book, often considered the most valuable version. Collectors and bibliophiles seek first editions because they represent the author's original work before any changes or revisions were made. These editions can be identified by specific characteristics, such as the absence of later print numbers or unique cover designs. First editions can vary in significance depending on the author and the book's popularity. For example, a first edition of a classic novel like Pride and Prejudice by Jane Austen or a modern bestseller can be highly sought after. The condition of the book, along with any unique features like signatures or dust jackets, can also affect its value.