# The Treason of Isengard

> seventh volume of the 12-volume series 'The History of Middle-earth'

**Wikidata**: [Q502724](https://www.wikidata.org/wiki/Q502724)  
**Source**: https://4ort.xyz/entity/the-treason-of-isengard


## References

1. [Source](https://openlibrary.org/works/OL27478W/The_Treason_of_Isengard)
2. Internet Speculative Fiction Database