Treason of Isengard
Book 7 of The History of Middle-earth
| ISBN-10 | 0-00-734824-X |
|---|---|
| ISBN-13 | 978-0-00-734824-4 |
| Author(s) | J.R.R. Tolkien, Christopher Tolkien |
| Publisher | HarperCollins Publishers Limited |
| Published | 2020 |
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