This book is *brilliant*. It goes straight into my list of reading recommendations for engineers who want to dig deeper into API development. I learned something from every chapter, even the topics I thought I was familiar with.

I remember chowing through this in an afternoon; was a great read. I still go back to it whenever I need a quick refresher on TCP startup.

High Performance Browser Networking is one of the most high-value books you can read as a programmer IMO.