Palace of Mirrors is the fourth and final full-length album by Estradasphere. It was released on September 19, 2006. Every track on the album is instrumental.

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Professional ratings

Review scores
Source	Rating
Allmusic	link
Maelstrom.nu	8.2/10

Track listing

1. "Title" – 0:34
2. "Palace of Mirrors" – 3:41
3. "A Corporate Merger" – 8:16
4. "The Terrible Beautypower of Meow" – 4:01
5. "Colossal Risk" – 4:36
6. "The Unfolding Pause on the Threshold" – 4:17
7. "Smuggled Mutation" – 4:48
8. "Six Hands" – 1:12
9. "The Debutante" – 2:44
10. "Flower Garden of an Evil Man" – 6:16
11. "Those Who Know..." – 5:18
12. "Palace of Mirrors (Reprise)" – 6:20
13. "The Return" – 6:19