FIG. 1 is a top perspective view of a check book showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a rear elevational view thereof.

The broken lines shown in FIGS. 1 and 2 are for illustrative purposes only and form no part of the claimed design.