Building Microservices by Sam Newman is a must-read for anyone interested in implementing microservices. Microservices are an architectural approach to building large, complex software systems that offer several benefits, including increased agility, flexibility, and scalability. However, they also present several challenges, including increased complexity, distributed systems management, and testing. This book covers a variety of topics related to microservices, including design principles, communication between microservices, deployment and testing, monitoring and logging, security, scalability, and more. The book also provides valuable insights into the tools and technologies used to implement microservices, such as Docker, Kubernetes, and Apache Mesos. Whether you are a developer, architect, or IT professional, "Building Microservices" is a valuable resource for understanding the benefits and challenges of microservices, and how to implement them effectively.