That is the correct term or backbone.
The Spine.
Spine
Generally speaking, all worms lack a spine. Creatures without a spine are commonly referred to as invertibrates.
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
chiropractor
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.
No, because the spine usually tells you the call number, title, and author.
Call of the Wild - D-A-D album - was created on 1986-02-04.
Call Me D-Nice was created in 1989.
Homer D. Call was born in 1843.
Homer D. Call died in 1929.
R. D. Call was born on 1950-02-16.