Invisible Threads. Invisible Threads, #1

Rose Vázquez never expected a forgotten letter to change her life. While working in a historical archive in San Juan, Rose discovers a series of hidden letters written in 1853 between two forbidden lovers, Isabel and Mateo. Their words are filled with longing, secrecy, and promises of a love strong enough to survive time itself. Drawn to the mystery, Rose becomes consumed with uncovering what happened to them-and why parts of their story seem to have vanished from history.
As her search deepens, Rose grows closer to Daniel Ramos, a charming historian whose passion for forgotten love stories seems to mirror her own. Their connection is immediate, intense, and impossible to ignore. But as strange coincidences begin surrounding the letters, Rose starts to wonder if their meeting was fate. or something far more dangerous. Because Isabel and Mateo's story was never just a romance.
It was the beginning of a secret buried for centuries. And someone will do anything to keep it hidden. Perfect for fans of atmospheric romance, historical mystery, dark academia, and slow-burn tension, Invisible Threads is a haunting story about love, obsession, and the invisible connections that bind souls across time.