O'Reilly have published a new book by Oscar Lodriguez: "Create a fully working multiplayer game from scratch using TypeScript, Socket.IO, and the community edition of Phaser.js. You will achieve amazing feats in the browser without having to install any software. This book teaches you how to use the Phaser game engine APIs to tap into physics, and how to utilize HUD information and fire lasers.
Let’s Build a Multiplayer Phaser Game dives into the details to show you how to create a multiplayer game from beginning to end. Once you have finished this book, you will be well versed in creating not only a game, but also an application that you can extend with new functionality to enjoy with your friends."