How Do Computers Follow Instructions? by J.T. Liso, and illustrator, Srimalie Bassani, How do computers do math so quickly, and follow instructions so well? Explore the science with basic principles of coding, including variables, binary code, loops, programming languages, and more, are explored through diagrams, photos and informative and engaging text. Hardcover, 32 pages. Recommended for ages 7 to 9 years old.