
thumb|upright=1.2|A blank paperback book thumb|upright=1.2|Glued binding
thumb|upright=1.2|A blank paperback book thumb|upright=1.2|Glued binding
A paperback (softcover, softback) book is one with a thick paper or paperboard cover, also known as wrappers, and often held together with glue rather than stitches or staples. In contrast, hardback (hardcover) books are bound with cardboard covered with cloth, leather, paper, or plastic.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).