These volumes return to the First Age materials, showing Tolkien's attempts to revise The Silmarillion after The Lord of the Rings was published.
Volume X: Morgoth's Ring
Volume XI: The War of the Jewels
The short answer is no. As of 2025, HarperCollins (in the UK) and William Morrow (in the US) have not released an official, single-file PDF bundle of all 12 volumes. The series is sold as physical books, eBooks (individual Kindle/EPUB files), and audiobooks. the history of middle earth volumes 112 pdf verified
Therefore, any “Volumes 1-12 PDF” you find online is almost certainly a user-generated scan. This is where legal and ethical questions arise. These volumes return to the First Age materials,
Volume III: The Lays of Beleriand