New and repackaged titles are available in sturdy board book format. Die-cut into tool shapes, four titles should entice future carpenters and mechanics. Popular Mechanics for Kids: Who Uses a Drill?, illus. by Nancy Davis, answers the titular question by using bright simple shapes to show different people hard at work (""A carpenter building a table. Whirl, whirl, whirl!""). The other titles are Who Uses a Hammer?, Who Uses a Wrench? and Who Uses a Saw?