My latest Whitebook is published on the Whitehorses knowledge site. It’s written in Dutch though.
If you’re looking for some in-depth articles in English, check out the Whitehorses blogposts about Node.js:
http://blog.whitehorses.nl/2016/06/23/node-js-tutorial-part-1-setting-up-your-environment/
http://blog.whitehorses.nl/2016/04/05/use-sse-and-node-js-to-show-jet-chart-data/