NodeJS for Kids: Part 3 - Expert Concepts takes young coders to the next level by introducing advanced NodeJS topics. In this final part of the series, you'll explore powerful tools and techniques like asynchronous programming, building scalable microservices, working with streams, enhancing security, and optimizing performance. You'll also learn how to contribute to open source projects and even build your own NodeJS modules. With fun projects and real-world applications, this book will help you master NodeJS and showcase your expert-level coding skills!