Riley Sager's most recent release is The Unknown: A Novel (August 4, 2026).
Next Chapter currently lists one published release by Riley Sager in 2026. Featured genres include Contemporary.
Genres: Contemporary.
Struggling actress Marin Keane is shocked when she lands a role in a major motion picture about the unsolved mystery of New Avalon, an island on sprawling Lake Faraday in Vermont. She’s even more surprised when she learns that the role requires a weeklong research trip to that ve...
Release details last updated July 26, 2026.
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