"The History of Middle-earth" is a comprehensive series that delves into the development of J.R.R. Tolkien's fictional world, Middle-earth. The series was compiled and edited by Christopher Tolkien, the author's son, and published posthumously.
These track the writing of Tolkien's most famous work. They reveal fascinating "what-ifs," such as Trotter (a hobbit ranger with wooden shoes) eventually becoming Strider/Aragorn. the history of middle earth volumes 1-12 pdf
While you may find PDF scans available on file-sharing sites (Archive.org has certain out-of-print volumes for borrowing, not downloading), or via shadow libraries (LibGen, Z-Library), accessing a of the full 12 volumes is legally piracy. Many legitimate sources, such as Google Books or Amazon Kindle, sell official eBook versions. It is recommended to purchase those or check your local library’s digital lending service (Libby/Overdrive). "The History of Middle-earth" is a comprehensive series