You might find some books with more advanced Node.js material on Packt Publishing. https://subscription.packtpub.com/search?query=node.js https://subscription.

You might find some books with more advanced Node.js material on Packt Publishing. https://subscription.packtpub.com/search?query=node.js https://subscription.packtpub.com/search?query=node.js I'd sort by recently published. The difficulty with the JS ecosystem is that books can go out of date within a couple years. The best learning material for me has been studying open-source projects on GitHub, by searching relevant keywords.