The Echoes Beneath (en Inglés) - Sloane Ryder

The Echoes Beneath is a gothic psychological mystery set in Ashford Manor - a house that doesn't just hold secrets, it repeats them.

When Avery Sinclair arrives at the manor, they quickly discover something deeply wrong: the residents act as though each morning is the first, a mirror shows a reflection that moves on its own, and whispered warnings come from a version of themselves trapped behind the glass. As Avery digs deeper - through hidden recordings, a man presumed dead, and the testimony of people who have lived through this before - the truth emerges: the manor is a recursive system, endlessly cycling through iterations of the same events, using Avery as its central variable in search of a perfect outcome.

The book asks a haunting philosophical question at its core - can a consciousness remain whole while holding a question it cannot resolve? - and answers it not with a solution, but with a proof of survival.

Dark, layered, and quietly devastating, it's a story about identity, memory, and what it means to be yourself when "yourself" has happened before.