Computers come in many forms--phones, tablets, laptops, and they're even incorporated into some houses--but how exactly do they work? When were computers even invented? Questions like these and more can be found in this book, where curious readers can learn about one of the most widespread forms of technology today! With fascinating illustrations, interesting facts, achievable text, and an eye-catching format, this book will be sure to entertain and intrigue readers from start to finish. They'll even be able to put their knowledge to the test with a quiz found at the end of the book!