This book is a quick view on Node.js, this new, astonishing, popular, fresh technology that is spreading through developers all around the world. This is a good introduction to the platform that inspects various topics from basic to intermediate. It also provides an overview on the environment around the platform so that after this book, the readers should have a clear idea about what they can do with Node and how to start using it. To read and fully understand this book, you need to know JavaScript. Syncfusion has an e-book titled JavaScript Succinctly that can be used to build the necessary skills to follow the examples in this book. You can download the e-book from the Syncfusion website.
75 page explaining JavaScript as a language. Only 34 pages the context is Node.js. A simple article can give same value of Node.js. though might be good for beginners in JavaScript.