To dispose an IC tag inside the spine of a book while reducing the influence of heat from hot melt without using a special heat insulating material.

This hollow backed book 1 includes a content 2 constituted by integrally bonding a plurality of paper sheets 6 at a spine part A; a cover 4 wrapping the content 2; and a back lining 3 formed in flat cylinder shape and arranged between the spine part A and the cover 4 while the outer surface of a content side portion 3b is bonded to the spine part A and the outer surface of a cover side portion 3a is bonded to the cover 4 to connect the content 2 to the cover 4. The IC tag 5 is attached to the inner surface of the cover side portion 3a of the back lining 3.