Computers are everywhere: at school, in our homes, and in factories and offices. Many people have a mini-computer in their pocket! This engaging series looks at computers and their uses, with an emphasis on the STEM principles that underpin how they work. Computers come in all shapes and sizes, and carry out a wide range of tasks. Large computers predict the weather and direct aircraft. Desk computers are common in offices and in schools. And smartphones and tablets are computers we carry around with us. Find out what computers are, how they work, and how people use them.