The fifth book is on Amazon. https://www.amazon.com/XI-JINPING-GOVERNANCE-CHINA-V/dp/7119... It's already an English translation.

For something shorter, you can see Arnaud Bertrand's recent review. https://arnaudbertrand.substack.com/p/the-book-the-west-refu... The review is behind a paywall, but not expensive.

If you want to read policy documents directly (primary source), try the State Council / Chinese government policy database: https://www.gov.cn/zhengce/ and https://sousuo.www.gov.cn/zcwjk/policyDocumentLibrary

They also provide official translations: https://english.www.gov.cn/policies/

For Central Party documents: https://news.cn/politics/zywj/. It lists recent Central Committee / General Office / joint Party-State documents, e.g. 2026 documents on township duty lists, Party member development rules, carbon evaluation, long-term care insurance, and SOE leadership rules.

Thanks again, this is more than enough for a clanker-assisted rabbit hole to disappear into