: Look for repositories owned directly by the author (e.g., habuma for Craig Walls) or official publisher organizations (e.g., manningpublications ).

: Always check the official Manning Publications website for the most up-to-date editions or Early Access Programs (MEAP) regarding Spring Boot 3.x and beyond. Why You Should Avoid "Free PDF" GitHub Repositories

The source code for the 6th Edition is publicly available for learning and experimentation:

搜索“spring boot in action 6th edition pdf github”时，也会发现一些非官方的PDF分享仓库。例如，在AtomGit/GitCode平台上存在一个名为“Premium-Resources/5eb79”的仓库，其README明确写道：“欢迎来到Spring Boot in Action英文版电子书获取仓库！这里为您提供了《Spring Boot in Action.pdf》英文版的获取方式。”

To help point you toward the most effective learning path, let me know:

To get the most out of the book, it is recommended to purchase the official PDF.

Manning Publications has not released a "6th Edition" of Spring Boot in Action . The most widely known and completed physical version is the 1st Edition, which focused on early versions of Spring Boot. Craig Walls has since authored other updated titles, such as Spring in Action, 6th Edition (released in 2022), which covers Spring Framework 5.3 and Spring Boot 2.4/2.5. 2. The Source of Confusion

: The official PDF is available through Manning Publications. Note that purchasing the print edition often includes a free eBook in PDF, Kindle, and ePub formats.