This book is unique in that it was a very slow read, but I loved slogging through it. Even though I do a lot with computers, I long ago wrote off the idea of ever understanding the nitty gritty magic of how they work. This book explains it in a way that's possible to understand. It starts with how things like flashlights and Morse code work, and then little step by little step it builds up to how to create things like 64kb of memory for a computer.