signed book; autographed book
Refers to a book that has been signed by its author, often as a special edition or at a signing event. Compare with サイン本, which is more common in casual contexts.
See also: サイン本
This signed book was given to me directly by the author.
A sale event for signed books was held at the bookstore.
Compound of 署名 (signature) and 本 (book). The exact historical derivation is uncertain, but the term is straightforwardly understood as 'signature book'.