PURPOSE: To provide a book-shelf wherein small shelves having book ends are disposed at the front and rear parts of the shelf, whereby books can be easily shifted in every small shelf and arrangement of books are easily made.

CONSTITUTION: On the uppermost stage main shelf 2 of the main structure 1 of the book-shelf there are disposed three shelves at the front and rear parts of each of three small shelves 3. On each of small shelves 3 are mounted book ends 7, and the length of each small shelf is formed into about 1/3 that of the main shaft 2 and the width of the former is formed about 1/3 that of the main shaft 3. Accordingly, the upper space of the main shelf 2 is formed to have an area about four times of the small shelf 3. In the center of both sides of the lower surface of the small shelf 3 is protruded a guide pin 4, which is engaged slidably with a guide 5 carved on the upper part of the main shaft 2. Furthermore, at four positions on both front and rear sides of the lower surface of the small shelf are provided ball bearings for rolling the small shelf 3 is placed on the main shelf 2