Astore ships books by weight. a small box can hold 4−6 pounds. a medium box can hold 5−7 pounds. a large box can hold 8−9 pounds. the weights of the books are given below. drag books into each box to show what it can hold. clear check draggable item draggable item draggable item small: 4−6 pounds medium: 5−7 pounds large: 8−9 pounds