I heartily second that. It's one of my favorite books.

For anyone curious about it, you can click the Read Sample button below the cover image here, or download the sample to your Kindle device or app:

https://www.amazon.com/dp/B07JW5WQSR

If Vint Cerf's foreword and the first chapter don't convince you to buy the book, I don't know what will.

Another good read, as many know, is Mother Earth Mother Board. It is more about the modern undersea fiber cables, but touches on the early telegraph cables too:

https://www.wired.com/1996/12/ffglass/

On my PC, this article says it is for subscribers only. But on my phone (Android with Chrome) it loads up just fine. Go figure.