Readers find 'Personne ne doit savoir' a gripping thriller with a mix of suspense, secrets, and unexpected twists. While many appreciated the complex plot and the dramatic unfolding of events, others felt the narrative was sometimes slow and the characters underdeveloped. The book's exploration of dark pasts and hidden relationships within a group of friends keeps the tension high, making it a compelling read for those who enjoy psychological depth and intrigue.

👍 Complex plot with dramatic twists

👎 Some found the pacing slow and characters shallow