Meet Zero and One they're binary digits and are here to teach you about coding languages! With the guidance of these helpful numbers, readers will learn about high and lowlevel languages, machine languages, data, and bits. They'll also be introduced to different coding languages including C, Python, and Scratch. Students can use the included website to play fun computer science games, including the Binary Decoder activity. For more content on the inner workings of a computer, check out other titles in the Building Blocks of Computer Science series!