No One You Know

Twenty years after her sister Lila's unsolved murder, Ellie Enderlin receives a mysterious piece of evidence—her sister's notebook with mathematical formulas—that could uncover long-hidden truths. As she follows the clues to a historic mathematical puzzle and a secret lover, Ellie unravels complex motives and secrets that threaten to reshape her understanding of her family’s past. This story explores themes of loss, secrecy, and discovery through a compelling investigative journey.