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The Threshold Duology Series
2 primary works • 2 total works
Book 1
The Eternity Gate (The Threshold Duology, #1)
Katherine Briggs
4.23 avg. rating · 201 Ratings
Book 2
The Immortal Abyss (The Threshold Duology, #2)
Katherine Briggs
4.51 avg. rating · 89 Ratings