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Myst Library
The Library on Myst Island, though with no books. The fireplace is no longer enter-able.
Additional Info
Edited from original source:
Wikipedia
Ages and places
The Cleft
The Cavern
Descent
D'ni - Watcher's Sanctuary
D'ni - K'veer
Relto Age
Teledahn Age
Gahreesen Age
Kadish Tolesa Age
Eder Gira Age
Eder Kemo Age
Eder Delin Age
Eder Tsogal Age
The Pod Age
The Pod Age - Negilahn
The Pod Age - Dereno
The Pod Age - Payiferen
The Pod Age - Tetsonot
Minkata Age
Er'cana Age
Jalak
Ahnonay Age
Myst Library