The spine is the vertical part that you see when looking at a book on a shelf. It usually has the title and author, and in a library, the number which helps you locate the book.
The binding, the cover, the spine, and the pages are all physical.
Spine of a book - Lombada de um livro.
It is called the spine. Presumably it is called the spine because it refers to the central piece of the book that keeps it all together, similar to a human spine.
A spine label usually a sticker on the spine of a book that indicates the call number of book. Mainly used in libraries. Rhianna Berriman
the author and the name of the book
The side of a book is called the spine. It is the edge of the book where all the pages are connected, and the title of the book is often printed on it.
Spine
The spine is the back of the book, the part where both front and back covers are attached. When your books are stacked on shelves, the spine is the only bit you see; it usually shows the title and author's name.
The bony segments of the spine is the vertebrae.
A bumped book spine refers to a book spine that has been slightly bent or damaged, often resulting in a small crease or dent. This damage typically occurs when a book is dropped or mishandled, causing the spine to lose its smooth, straight appearance.
back bone spine
The neutral spine refer to the natural position of the spine when the parts of the body are in good alignment.