Pack has other great resources available for learning about Spring Boot RESTful web services. These are as follows:

• Learning Spring Boot 2.0 – Second Edition, by Greg L. Turnquist (https://www.packtpub.com/application-development/learning-spring-boot-20-second-edition)
• Spring Boot – Getting Started [Integrated Course], by Patrick Cornelissen (https://www.packtpub.com/web-development/spring-boot-getting-started-integrated-course)
• Building a RESTful Web Service with Spring, by Ludovic Dewailly (https://www.packtpub.com/web-development/building-restful-web-service-spring)