If you're looking for a bulk/combined package – here's where all of these are listed.
Learn Spring
Learn Spring 5 and Spring Boot 2 from no experience to actually building stuff.
REST With Spring
Build Your REST API with Spring 5 from HTTP fundamentals to API Mastery.
Learn Spring Security
THE unique Spring Security education if you’re working with Java today.
Learn Spring Data JPA
Master Spring Data JPA and boost your productivity with a modern persistence framework.