Based on content:
* Rare book: A book that is uncommon, valuable, or historically significant.
* First edition: The first printing of a book.
* Signed copy: A book that has been autographed by the author.
* Limited edition: A book that is printed in a small, restricted number of copies.
* Manuscript: A handwritten book or document.
* Illustrated book: A book that includes illustrations.
* Annotated book: A book that has notes or comments added by the author or a reader.
* Art book: A book that features art, such as paintings, photographs, or sculptures.
* Reference book: A book that provides information on a specific subject.
Based on personal significance:
* Favorite book: A book that someone enjoys reading.
* Memorable book: A book that has a special meaning to someone.
* Treasured book: A book that is highly valued by someone.
Other terms:
* Unique book: A book that is one of a kind.
* Exceptional book: A book that is outstanding in quality or significance.
To get a more accurate answer, please tell me what makes the book special.