[Minor49er]

This is great news. This book has been highly regarded for being able to explain the magic behind what makes a computer actually work. The new edition has about 70 pages of additional material.

There is also a companion website that is under construction that already has a delightful amount of interactivity, showing how binary switches, relays, and gates work:

https://www.codehiddenlanguage.com/

[MarkSweep]

Looking at that source code for the website is fun it is own right. There is a whole JavaScript framework for simulating and displaying circuits. Each circuit is represented by a JSON file.