Follow the line, indeed, as it loops, curves, and winds across cityscapes, landscapes, buildings, animals, trees, sky, and water from early-morning traffic to night. Each deep-hued page encourages a counting of images printed over a busy, endless black line as it outlines figures (and faces) in a succession of graphics imprinted with complementary color shadings. The line simply propels readers on to the next image, question, and page, e.g., How many...