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Katherine Briggs

Katherine Briggs's books

The Eternity Gate (The Threshold Duology, #1) cover image
4.23 avg rating — 201 ratings
The Immortal Abyss (The Threshold Duology, #2) cover image
4.51 avg rating — 89 ratings

Katherine Briggs's series

4.31 avg rating — 290 ratings
The Eternity GateThe Immortal Abyss
4.31 avg rating — 290 ratings
The Eternity GateThe Immortal Abyss