"I Thought I Knew You" is a gripping psychological thriller that delves into the complexities of trust and identity. Written by acclaimed author Penny Hancock, the novel unravels the unsettling story of a woman who discovers shocking secrets about her closest friend. As she navigates a web of deception, themes of betrayal and self-discovery emerge, challenging her perception of truth. With its intricate plot and compelling character development, this book keeps readers on the edge of their seats, questioning how well we truly know those around us. Perfect for fans of suspenseful and thought-provoking narratives.