Book insert

Description

FIG. 1 is a front view of a book insert, showing the new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a perspective view thereof.

The broken lines depict environmental subject matter only and form no part of the claimed design.

Claims

The ornamental design for a book insert, as shown and described.